U.S. Sen. Lamar Alexander on Wednesday joined senators opposing one amendment that would have expanded background checks for potential gun purchasers and another to ban assault weapons.

New gun-control measures are being considered four months after the massacre at Sandy Hook Elementary School in Newtown, Conn. Wednesday’s votes were considered major defeats for supporters of tougher gun laws.

A Tennessee Republican, Alexander said he instead supports a proposal offered by senators Chuck Grassley, a Iowa Republican, and Ted Cruz, a Texas Republican. He said the Grassley-Cruz amendment would strengthen federal prosecution under existing gun laws and clarify which records must be included in the National Instant Criminal Background Check System. [Read more…]