Controversy surrounds Paul's newsletters and endorsement from anti-gay pastor
Gay groups on right and left say candidate had to go
GOP frontrunner attacked from left and right over marriage
Experts divided as legal challenges loom
Large number of out candidates running for office
The surprise retirement announcement from Sen. Evan Bayh (D-Ind.) on Monday came as a political shock in Washington and fueled the notion that 2010 will be...
