Former New Jersey Governor Chris Christie is entering the 2024 race for the White House with one mission: to torpedo Donald Trump's campaign. But his low popularity among Republicans may thwart his efforts to launch a head-on attack.

Christie enters an increasingly crowded Republican primary — he's the ninth candidate, so far. Former Vice President Mike Pence and North Dakota Governor Doug Burgum are each planning to announce the launch of their respective campaigns Wednesday.

Former New Jersey Gov. Chris Christie is set to launch his presidential campaign Tuesday, joining a crowded -- and still growing -- GOP primary field including Trump

Pence, the 48th vice president, will formally launch his bid for the Republican nomination with a video and a kickoff event in Des Moines, Iowa, on Wednesday, his 64th birthday.

The former New Jersey governor has a track record of damaging rivals, but this time will be harder.

Former Vice President Mike Pence filed paperwork Monday declaring his campaign for president in 2024, setting up a challenge to his former boss, Donald Trump.

Former New Jersey Governor Chris Christie is expected to formally announce his 2024 presidential campaign on Tuesday in New Hampshire, joining a growing Republican field led by Donald Trump.