Julie Pace

The choice before voters is a referendum on the role of the presidency itself and a test of the sturdiness of democracy, with the president challenging the legitimacy of the outcome even before Election Day.

Obama’s address amounted to one of the most sweeping condemnations ever of a sitting president by one of his predecessors.

Former President Obama is taking on an increasingly public role as the nation confronts a confluence of historic crises that has exposed deep racial and socioeconomic inequalities and reshaped the November election.

Joe Biden clearly had the best night, but it’s too early to say, as he did, that it “may be over.”

Michael Bloomberg, the billionaire former mayor of New York City, is warning that the current field of candidates is ill equipped to defeat President Donald Trump.

Questions about the former vice president’s long history of physical expression, with heightened scrutiny in the #MeToo movement, prompted him to defend his actions.

The White House says President Donald Trump will call for optimism and unity in his State of the Union address, using the moment to attempt a reset after two years of bitter partisanship and deeply personal attacks.

Hillary Clinton triumphed in the Florida, Ohio and North Carolina presidential primaries, putting her in a commanding position. But the contests brought little clarity to the Republican race, with Donald Trump winning big in Florida but falling in Ohio to the state's governor, John Kasich.

Republican Donald Trump and Democrat Hillary Clinton swept through the South on Super Tuesday, claiming victory in their parties' primaries in delegate-rich Georgia, Tennessee, Alabama and Virginia. On the Republican side, Ted Cruz won his home state of Texas, the night's single biggest prize, as well as neighboring Oklahoma. Democrat Bernie Sanders picked up a home-state win as well, in Vermont, and won in Oklahoma, too.

Hillary Clinton sailed to a commanding victory over Bernie Sanders in Saturday's South Carolina primary, putting her in a strong position as the race barrels toward Super Tuesday.

Donald Trump deepened his hold on the GOP presidential field as the contest moved into the South, and Jeb Bush ended his campaign after being shut out of the top three. Out West, Hillary Clinton pulled out a crucial win in Nevada's Democratic caucuses.

George W. Bush never mentioned Donald Trump. But with his folksy touch, the former president unleashed a tough takedown Monday of the billionaire businessman who has upended a Republican Party his family has long led.

Hillary Clinton, scrambling to recover from her double-digit defeat in the New Hampshire primary, repeatedly challenged Bernie Sanders’ trillion-dollar policy plans at their presidential debate Thursday night and portrayed him as a big talker who needed to “level” with voters.

If the Republican Party is on the verge of an implosion, Sarah Palin may have been the one who lit the fuse.

Republican presidential candidates for months have escalated their rhetoric about the place of Muslims in the U.S. For most of Donald Trump's rivals and numerous other Republicans, he finally crossed the line.