The number of GOP senators pledging to filibuster any gun control bill has grown to 13.
The original supporters of a filibuster, Sen. Rand Paul (R-KY), Mike Lee (R-UT), Ted Cruz (R-TX), have now swelled their ranks, according to Politico.
In addition to Paul, Lee, Cruz, Rubio and Moran, the Republican [sic] who have signed the second letter are Jim Inhofe of Oklahoma, Richard Burr of North Carolina, Ron Johnson of Wisconsin, Mike Enzi of Wyoming, Jim Risch and Mike Crapo of Idaho, Dan Coats of Indiana and Pat Roberts of Kansas.