Michael Waldman, CEO of the Brennan Center for Justice, discusses what legal challenges President Donald Trump could face in efforts to get rid of mail-in ballots and voting machines.

President Donald Trump met with police and military in D.C., on Thursday to oversee the surge in federal law enforcement as he talks about expanding to other cities.

A New York appeals court has thrown out the half billion-dollar civil fraud judgment handed down last year against President Trump, his family and his company.

President Donald Trump announced that he is "going out" with police and military in Washington, D.C. on Thursday to oversee the surge in federal law enforcement and National Guard.

A New York appeals court has thrown out the half billion-dollar civil fraud judgment against President Donald Trump, his family and his company.

President Donald Trump on Wednesday called on Federal Reserve Governor Lisa Cook to resign, citing an allegation of potential mortgage fraud.

President Donald Trump on Wednesday called on Federal Reserve Governor Lisa Cook to resign, citing an allegation of potential mortgage fraud.

ABC News’ White House Correspondent Karen Travers reports that it’s “unclear” if this indicates a policy shift towards Ukrainian defense.

A judge ruled last year that Trump inflated his worth to secure better loans.

President Donald Trump confirmed the White House is conducting a review of the Smithsonian museums and expressed frustration over their portrayal of dark parts of America's history, including slavery.

President Donald Trump has instructed his lawyers to scour through America’s museums and rid them of exhibits that he calls “woke,” specifically citing exhibits on slavery.

President Donald Trump made a surprise return to the popular video app TikTok with three montages posted to a new official @whitehouse account Tuesday night.

In the wake of the meeting with Ukrainian President Volodymyr Zelenskyy, President Donald Trump said he is in favor of security guarantees for Ukraine but will not send U.S. troops to the country.

President Donald Trump wants the U.S. government to own a piece of Intel, less than two weeks after demanding the Silicon Valley pioneer dump the CEO that was hired to turn around the slumping chipmaker

President Trump confirmed the White House is doing a review Smithsonian museums, where he complained "everything discussed is how horrible our Country is."

Any effort to help enforce a possible peace deal between Russia and Ukraine will not involve American boots on the ground, Pres. Trump said.

Pres. Trump's escalated attacks on the institution comes ahead of a White House review of the museums to ensure it aligns with the Trump's view of American history.

ABC News' Tom Soufi-Burridge, Katherine Faulders, and Darrell Blocker report as European leaders joined Ukrainian President Volodymyr Zelenskyy for his meeting with President Trump.

ABC News' foreign correspondent Tom Soufi Burridge reports that European leaders are worried about President Donald Trump's softening stance toward the Russian leader.

The bumpy road ahead toward a trilateral summit: Analysis.

Retired U.S. Army Lt. Gen. Douglas Lute, who also served as an ambassador to NATO, discusses possible next steps following Monday's White House meeting.

The president is pushing for a face-to-face meeting between Zelenskyy and Putin after Monday's high-stakes talks at the white house.

President Donald Trump and Ukrainian President Volodymyr Zelenskyy's met at the White House for a high-stakes talks on Ukraine's future and Russia's invasion.

President Donald Trump on Sunday teased what he said would be a "big day" as Ukrainian President Volodymyr Zelenskyy prepares for a White House meeting.

Attendance has fallen in some school systems since the crackdown began.

Russia unleashed a deadly drone assault on civilians in Ukraine, killing at least seven people – including an entire family and their one-year-old daughter, Mia.

President Donald Trump welcomed Ukrainian President Volodymyr Zelenskyy to the White House along with European leaders for a high-stakes meeting aiming to end the war between Russia and Ukraine.

President Trump welcomed Ukrainian President Volodymyr Zelenskyy to the White House as Trump continues to push for a deal to end the war in Ukraine.

A repeated refrain from European leaders during remarks ahead of their meeting was the need for security guarantees for Ukraine.

President Donald Trump and Ukrainian President Volodymyr Zelenskyy met Monday at the White House with European leaders to discuss the war in Ukraine.

President Trump has downplayed the need for a ceasefire agreement, but if there isn't a one "before those peace agreement talks, then the killing will just keep going," ABC News' Martha Raddatz says.

President Donald Trump, wrapping up a meeting with Ukrainian President Volodymyr Zelenskyy and European leaders, said he believed they'd know soon if this conflict can be brought to a close.

President Trump welcomed Ukrainian President Zelenskyy to the White House for a high-stakes meeting as the U.S. president pushed for a deal to end Russia's war on its neighbor.

President Trump said on Monday that that he will lead a movement to get rid of mail-in ballots, claiming, without providing evidence, that it leads to voter fraud.

Ukrainian President Volodymyr Zelenskyy thanked first lady Melania Trump for a "peace letter" she gave to Russian President Vladimir Putin about protecting Ukraine's children.

After previously pushing for a ceasefire and threatening severe consequences for Russia if President Vladimir Putin did not stop the war, President Trump on Monday appeared to back off that demand.

President Donald Trump is ramping up pressure on Ukrainian President Volodymyr Zelenskyy, saying he could end the war "almost immediately" ahead of Monday's meeting.

President Donald Trump wrote in a post to his social media platform that he will lead a "movement" to get rid of mail-in ballots and voting machines, falsely claiming that they lead to voter fraud.

Bill Taylor, a former U.S. ambassador to Ukraine from 2006 to 2009, discusses the upcoming meeting between President Donald Trump and Ukrainian President Volodymyr Zelenskyy.

Retired U.S. Army Lt. Gen. Douglas Lute, who also served as an ambassador to NATO, discusses Monday's upcoming White House meeting between the two world leaders.

At least seven people, including two children, were killed by a Russian drone strike in the northeastern Ukrainian city of Kharkiv on Sunday night.

ABC News contributor and retired Col. Steve Ganyard breaks down what is at stake in the crucial meeting, including what Russian President Vladimir Putin may want out of any potential deal.

World shares are mixed ahead of U.S. President Donald Trump's meeting with Ukrainian President Volodymyr Zelenskyy and other European leaders

President Donald Trump shared the "peace letter" from first lady Melania Trump that was hand delivered to Vladimir Putin at the Trump-Putin summit in Alaska on Friday.

Ukrainian President Volodymyr Zelenskyy is bringing with him to the the White House an extraordinary cadre of European leaders to show U.S. President Donald Trump a united front against Russia

President Zelenskyy, French President Emmanuel Macron, UK PM Kier Starmer, the German chancellor, the head of the EU and NATO’s secretary general to meet President Trump over peace talks.

European and NATO leaders are set to join Ukrainian President Volodymyr Zelenskyy for a face-to-face meeting with President Donald Trump at the White House.

ABC News’ Martha Raddatz interviews Secretary of State Marco Rubio on “This Week.”

Former CIA operations chief Robert Dannenberg and Mary Louise Kelly analyze the Trump-Putin summit in Alaska on “This Week.”

ABC News’ Martha Raddatz interviews former Biden national security adviser Jake Sullivan on “This Week.”