Chris Christie made his 2024 Republican campaign official, calling former President Trump "a lonely, self-consumed, self-serving mirror hog."

Former New Jersey Gov. Chris Christie filed paperwork with the Federal Election Commission, which officially triggers a 2024 Republican presidential campaign, his second White House run

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's bid could inject a dose of anti-Trump criticism into a Republican primary field that has largely been reluctant to cross its leading candidate.

Republican former New Jersey governor, who has spoken about the need to call out Trump, becomes latest hopeful to beat Joe Biden.   23:00 Mark Meadows, who was Donald Trump’s final White House chief of staff,