"Super Tuesday: Key Things to Watch for in 16 States' Primaries"

Former President Donald Trump holds a significant delegate lead over former U.N. Ambassador Nikki Haley in the GOP presidential race, making it difficult for Haley to stop Trump's momentum on Super Tuesday. Haley's reliance on a coalition of affluent, college-educated suburbanites faces challenges in states with demographics favorable to Trump, and party rules in many cases limit non-Republicans' participation. Unless Haley can win outright majorities in multiple states, her campaign will struggle against the delegate math, as illustrated by a state-by-state analysis of delegate ceilings and floors.