Here’s the latest from the 2024 campaign trail: President Joe Biden argued former President Donald Trump is a threat to democracy in his first campaign speech of the year near Valley Forge, Pennsylvania.Trump will make his first public campaign stops of the new year with two rallies in Iowa.Most of Trump's GOP rivals — Florida Gov. Ron DeSantis, former U.N. Ambassador Nikki Haley, entrepreneur Vivek Ramaswamy and former Arkansas Gov. Asa Hutchinson — are also stumping in Iowa 10 days out from the caucuses.Former New Jersey Gov. Chris Christie is staying focused on New Hampshire, holding two events in the state.