The most intriguing races are for House and Senate.
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Here's what to know and watch for on Super Tuesday
On March 5, voters in 15 states head to the polls in the biggest primary election of the 2024 cycle.
There are 16 states and one territory total that will vote.
Everything kicks off with Iowa's caucuses.
Delegates are based on who earns the most votes in primaries and caucuses.
She'll have to overcome his polling lead in virtually every state.
Sunday was primary day in the nation's capital.
"When you're in a race, you don't think about losing," she said.
"Super Tuesday we're going to try to be competitive," Haley said.