Thad Cochran, Tea Party-backed Chris McDaniel in a photo finish for Mississippi Senate primary race; Doc tosses out perfectly good Kimchi; Senator Patty Murray & Food Unit (FU) is coming back in a big way; Primary elections also held in Alabama, California, Iowa, Montana, New Jersey, New Mexico & South Dakota; Teenager knocks Nancy Pelosi out with a question, using words; More cities added to the VA hospital death panel list; Plus, #WhatILearnedToday!
