As Jennifer Longdon steered her wheelchair through the Indianapolis airport on April 25, she thought the roughest part of her trip was over. Earlier that day she'd participated in an emotional press conference with the new group Everytown for Gun Safety, against the backdrop of the National Rifle Association's annual meeting. A mom, gun owner, and Second Amendment supporter, Longdon was paralyzed in 2004 after being shot in her car by unknown assailants, and has since... (GunPolicy.org)