Mara Liasson

Both Donald Trump and Hillary Clinton are vetting their shortlists of vice presidential contenders. With the GOP convention starting in eight days, Trump could name his running mate any day now.

President Obama is in Warsaw for the NATO summit but overnight he spoke about the sniper attack in Dallas. Five police officers were killed. Obama said the attacks were vicious and calculated.

The result of the Hillary Clinton email investigation has been long anticipated and is playing out on the campaign trail.

FBI Director James Comey announced that the agency is wrapping up its investigation into Hillary Clinton's use of a private email server as secretary of state — and recommends against any charges.

Trump is making stops in the key states of Ohio and Pennsylvania — a more traditional campaign path than he has been on so far. It's another marker of Trump getting more disciplined.

Few things make Republicans more upset than the Clintons. And after weeks of missteps, Donald Trump gave them something to cheer about.

Donald Trump is going to try to put Hillary Clinton on the defensive over past scandals. Meanwhile, she continues to attack Trump's fitness for office and deliberates over a vice president.

For many Republicans worried about Donald Trump's chances in the general election, his rhetoric isn't necessarily the biggest concern — it's the state of his campaign.

The Orlando shooting and Donald Trump's reaction scrambled campaign politics and complicated Trump's relationship with the Republican Party. Meanwhile, senators will vote on gun legislation Monday.

Without naming him, President Obama lit into Donald Trump for his comments about Muslims following the attack in Orlando early Sunday morning. Trump hit back at Obama at a rally in Greensboro, N.C.

At a campaign rally on Tuesday, Donald Trump said President Obama was "more angry at me" than he was at the shooter in the Orlando nightclub massacre.

President Obama's animated criticism of Donald Trump's comments Tuesday reveals a multi-front campaign against the Republican candidate.

Hillary Clinton used a dignified, restrained tone when talking about the tragedy. Donald Trump said he refused to be politically correct and repeated his call for a ban on Muslims entering the U.S.

Sen. Bernie Sanders met with President Obama Thursday to discuss how the Democratic Party should move ahead after the primary season. Obama formally endorsed Hillary Clinton shortly after their meeting.

Reading from a teleprompter Tuesday night, Republican presidential candidate Donald Trump tried to stabilize a campaign that looked almost in freefall just hours earlier.

In past elections, sitting presidents haven't often stuck their neck out for the next in line, but Obama likely will be a valuable player in Clinton's campaign going forward.

Donald Trump shows no sign of backing off his racially charged criticism of a federal judge, even as he comes under increasing pressure from leaders in the Republican Party.

President Obama is expected to endorse Hillary Clinton for president this week. He will be the rare two-term president to be welcome and active on the campaign trail.

The likely Democratic nominee eviscerated Trump in a speech Thursday. It was aimed not just as Democrats, but Republicans, as Clinton is set to take on Trump this fall.

The scandals of the 1990s are back as likely GOP presidential nominee Donald Trump dubs likely Democratic nominee Hillary Clinton an enabler of her husband's extra marital affairs.