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NJ Gov. Chris Christie upset the GOP and Democrats with his call for an election to fill Frank Lautenberg's Senate seat.
New Jersey Sen. Frank Lautenberg's death will test Gov. Chris Christie. CNN's Jim Acosta reports.
RELATED STORY: Lautenberg leaves tricky political question for Christie
Colorado now requires background checks for new gun purchases and limits gun magazines to 15 rounds. CNN's Jessica Yellin reports.
John King and David Gergen discuss if Obama's push for gun control will lead to results.
RELATED STORY: Hutchinson clarifies position on background checks
CNN's Dana Bash looks at the immigration reform effort underway in the Senate, and why it's happening now.
RELATED STORY: White House not concerned by Rubio's immigration warning
Some GOP contenders for higher office are re-thinking gay rights issues out of political necessity. Dana Bash reports.
RELATED STORY: Married same-sex couple awaits epic high court appeal