Caucus

As religious tensions flare in the House, four Democratic congressmen are launching a new group dedicated to science-based policy, separation of church and state, and freedom for all—including atheists.

• By Francie Diep

Caucus states may have cost her the nomination in 2008. What does this year look like?

• By Seth Masket

What states get when they decide to hold a primary instead of a caucus—and why it matters so much.

• By Seth Masket