Bernie Sanders contrasts himself with Biden at Phoenix rally

Democratic presidential candidate Bernie Sanders drew a sharp contrast between himself and Joe Biden on Thursday in his first major campaign rally since the Super Tuesday primaries essentially made it a two-man race.

Arizona Sen. Kyrsten Sinema endorses Joe Biden for president

Democratic Arizona Sen. Kyrsten Sinema says she's endorsing former Vice President Joe Biden in the 2020 election.

Trump responds to Super Tuesday results, Bloomberg's drop out

There's been more fallout Wednesday following the results of Super Tuesday, where 14 states voted in the presidential primary.

Stocks surge amidst Biden victories in Super Tuesday and hopes for more coronavirus stimulus measures

The Dow Jones Industrial Average surged over 1,000 points by the close of trading on Wednesday, amidst hopes for more stimulus measures to fight the virus outbreak and Democratic primary wins by Joe Biden.

Biden claims 10 Super Tuesday victories, including Texas

A resurgent Joe Biden scored sweeping victories from Texas to Massachusetts on Super Tuesday, revitalizing a presidential bid that was teetering on the edge of disaster just days earlier. But his rival Bernie Sanders seized the biggest prize with a win in California that ensured he would drive the Democrats' nomination fight for the foreseeable future.

Arizona Senate candidate Mark Kelly says he’s backing Biden

Arizona Senate candidate Mark Kelly said Monday he’ll vote for Joe Biden in the Democratic presidential primary, throwing his support behind the former vice president as Biden looks to solidify moderate Democrats against Bernie Sanders.

These are the 6 candidates running for president in 2020

The field of 2020 presidential candidates is crowded, with four Democrats currently making a bid for the White House along with two Republicans — one of whom is President Trump.

Democrats eye Super Tuesday even as South Carolina primary looms

The South Carolina primary is just ahead, but the race is quickly going national as candidates pivot to the 14 states that vote on Tuesday.

AP Fact Check: Claims from the Democratic debate on February 25

Seven Democratic presidential contenders staged their final debate before contests in South Carolina and Super Tuesday deliver more than one-third of the delegates needed to clinch the nomination. 

Sanders faces attacks in Democrats' debate-stage clash

Bernie Sanders is facing an unprecedented assault from his Democratic rivals as the party's turbulent nomination fight threatens to explode on the debate stage.

Chamber of Commerce officials say March Democratic debate could be a boon for some Phoenix businesses

Some say the Democratic debate in March, which is scheduled to be held in Phoenix, could bring along some money for some Valley businesses and draw some attention to issues faced by Arizonans.

AP FACT CHECK: Dems' debate flubs; Trump untruths at rally

Remaining Democratic presidential candidates debated one another in Las Vegas while President Trump rallied a crowed in Phoenix, Arizona.