GOP presidential hopefuls attacked the decision upholding a key ObamaCare provision.
"Bernie Sanders is no progressive when it comes to guns,” the ad says.
"I very rarely read in any coverage of Bernie that he is a socialist,” she said.
Sanders said hunters and shooting enthusiasts "should not be condemned."
The longshot presidential hopeful still trails Clinton in both early nominating states.
The Louisiana governor launched his long-shot bid for the GOP nomination.
Sen. Sanders and former Gov. O'Malley will be attending Netroots Nation.
One of the bills removes a 48-hour waiting period for gun purchases.
Carson's neighbors then flew the American flag in solidarity.
The show's host calls Rubio the "real deal."