Received this e-mail from former Rep. Gabrielle Giffords (D. AZ) group, Giffords PAC, in support of Amy McGrath’s (D. KY) U.S. Senate campaign: We are proud to endorse Lt. Colonel Amy McGrath who is running for US Senate in Kentucky against Mitch McConnell. Amy McGrath is a veteran and public servant who has spent her life protecting Americans. Mitch McConnell…