President Donald Trump trolled his political enemies Wednesday in the first of three rallies in three days in the West as Democrats vied in neighboring Nevada to be the one to challenge him in the November election.

From the opening bell, Democrats savaged New York billionaire Mike Bloomberg and raised pointed questions about Bernie Sanders' take-no-prisoners politics during a contentious debate Wednesday night that threatened to further muddy the party's urgent quest to defeat President Donald Trump.

The latest on the 2020 presidential campaign and Democratic debate (all times local).

Sparring between Mike Bloomberg and the leading Democratic candidates erupted hours before Wednesday night's debate, previewing what's expected to be a tense night as the billionaire businessman meets his rivals onstage for the first time.

A proposed change to Georgia election law to require party primaries before certain special elections has been amended so it wouldn't take effect until 2021, assuring a special U.S. Senate election this year won't be affected if it passes.

Tennessee would be the first state in the nation to hold a presidential primary, freeing it from having to compete for attention on Super Tuesday, under a new bill.

Republican U.S. Senate candidate Manny Sethi on Tuesday knocked GOP rival Bill Hagerty as yet another national surrogate for Hagerty swooped into Tennessee to campaign on his behalf.

Bernie Sanders' presidential campaign plans to ask for a partial recount of the Iowa caucus results,after the state Democratic Party released results of its recanvass late Tuesday that show Sanders and Pete Buttigieg in an effective tie.

An influential anti-abortion group is backing Republican Sen. Kelly Loeffler of Georgia in her November special election, only months after opposing her appointment to the post.

Bernie Sanders rallied thousands of supporters in Washington state three weeks ahead of its presidential primary, calling for the grassroots movement that led to his win in the state's 2016 caucuses to continue through the broader primary that takes place March 10.

So far, Pete Buttigieg has made it look easy.

Stepping up to address a Republican club meeting at the Farmer's Market Cafe, a meat-and-three restaurant not far from the Alabama Capitol, U.S. Rep. Bradley Byrne gave a version of the oft-repeated phrase of his U.S. Senate campaign.

Democratic presidential candidate Amy Klobuchar says she no longer believes English should be the national language of the U.S., disavowing a vote she took more than a decade ago as she tries to build support in a state where Hispanics make up a critical constituency.

Georgia election officials Friday loaded and shipped the last truckloads of new voting machines making their statewide debut in the March presidential primaries, getting the equipment to local election offices barely two weeks before advance voting begins.

Democratic presidential candidates plotted their paths Wednesday into state primaries now expanding to include voters of color, while the party's establishment braced for a long and increasingly uncertain nomination fight ahead.

The chairman of the Iowa Democratic Party announced his resignation Wednesday after a disastrous caucus process beset by technical glitches led to a dayslong delay in reporting the results, inconsistencies in the numbers and no clear winner.

Early voting for Tennessee's presidential primary has officially begun.

New Hampshire Democrats gave Bernie Sanders a win, but also a warning.

Bernie Sanders won New Hampshire's presidential primary election Tuesday night, narrowly edging moderate rival Pete Buttigieg and scoring the first clear victory in the Democratic Party's chaotic 2020 nomination fight.

The Latest on the 2020 Democratic presidential contest and the New Hampshire primary (all times local):

Colorado Sen. Michael Bennet ended his long-shot presidential bid Tuesday, failing to break out of a crowded Democratic field dominated by other moderate candidates, including Joe Biden, Pete Buttigieg and Amy Klobuchar.

Democrat Andrew Yang, an entrepreneur who created buzz for his presidential campaign by championing a universal basic income that would give every American adult $1,000 per month, suspended his 2020 bid on Tuesday.

Only 14% of New Hampshire Democrats said they were "very confident" that the process for picking a presidential nominee would be fair, a sign of possible doubts lingering in voters' minds at the state's Tuesday primary.