There are outstanding questions about the Kentucky senator's story.
Jeb Bush and the Senate Republican campaign committee claim Obama is "closing" the U.S. Embassy to the Vatican. Not so.
The Texas senator uses some fishy figures when discussing the impact of the health-care law on the uninsured.
Ted Cruz's apocalyptic account of the impact of Obamacare misses the other side of the story.
Sen. Rand Paul says the U.S. doesn't have to default if it breaches the debt ceiling. Is that possible?