The hurdles Mike Pence faces as the former vice president launches his White House campaign and challenges his onetime boss - former President Donald Trump.

Pence served as a U.S. House member and governor of Indiana before becoming Trump's running mate and eventual vice president.

Former U.S. President and Republican presidential candidate Donald Trump attends a campaign event in Manchester, New Hampshire, U.S., April 27, 2023. REUTERS/Brian Snyder//File Photo

Former Vice President Mike Pence filed paperwork on Monday declaring his campaign for president in 2024, setting up a challenge

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.

Mr. Pence, who filed paperwork declaring his candidacy, was once a stalwart supporter and defender of Donald J. Trump, but split with his former boss after the Jan. 6 attack on the Capitol.

Mike Pence, the nation’s 48th vice president, will join former President Donald Trump and Florida Gov. Ron DeSantis in the crowded Republican field.