Trayvon Martin Case: Gun Control Advocates Hope to Put Gun Debate Back in Spotlight

Since legislation to expand background checks for gun purchases failed to pass the U.S. Senate earlier this year -- even after the Sandy Hook school massacre -- talk of gun control has been largely dormant. But advocates for stricter gun laws hope the acquittal of George Zimmerman in the shooting death of 17-year-old Trayvon Martin will put the gun debate back in the spotlight.