"Unraveling Trump's Struggle to Unify Republicans for Biden Matchup"

Donald Trump's performance in the first three primary contests has not matched expectations, leading to speculation about a possible polling error. While his underperformance is not significant in the context of primary polls, it has raised questions about the motivation of anti-Trump voters and the impact of undecided voters. Three theories are being considered, with one suggesting that undecided voters may have ultimately backed his opponents, particularly in South Carolina.