Per capita ownership of firearms in the US has doubled since 1968.
Tasers were involved in three deaths over the weekend, renewing the debate over when and how the police-issued stun guns should be used.
Officials at the Los Angeles County sheriff's department are testing a directed-energy weapon that causes pain, but apparently no tissue damage. Should we start using it against prisoners?
Men's groups are demanding an apology after Harry Reid's comments linking a rise in unemployment with a rise in domestic abuse. But some studies support the Senate majority leader's claims.
A grand jury will decide whether to bring murder charges against a police officer.