Donald Trump and Joe Biden have dominated the 2024 primary season ahead of the 2024 presidential election. With the state of Michigan set to vote on Tuesday, Feb. 27, Biden could face his first major test among voters. What Happened: Biden has won all the state primaries that have taken place for Democratic voters, including one state where he wasn’t even on the ballot and received enough write-in support. The state of Michigan, which hosts its primary elections on Tuesday, could prove to be a test for Biden. While the current president is expected to win the state easily, he could see a dip i…