AvatarDev waibaAvatarAvatar8 photos of world leaders crying in publicverified_publisherBusiness Insider - Colin CampbellPresident Barack Obama teared up on Tuesday while discussing the 2012 mass shooting in Newtown, Connecticut, that left 20 young children dead. "Every time I think about those kids, it gets me mad," Obama said as tears slid down his face. "And by the way, it happens on the streets of Chicago every …