Sen. Ted Cruz apparently believes that repealing Obamacare is still possible.
Doctors blast GOP's plan to hold 51st vote targeting Obamacare.
Sen. Rand Paul's solution to Ukraine crisis: "begin drilling in every possible conceivable place."
The man who brought you the Iraq war -- Dick Cheney -- says it's a mistake to take military options off the table for Ukraine.
Democratic senator airing TV ads hitting back against billionaire Koch brothers.
George Zimmerman appears at Florida gun show to sign autographs.