April 15, 2013 3:24 pm Obama: “We Will Get to the Bottom of This” President Obama vows to bring those behind the Boston Marathon attacks to justice. The blasts left two dead and dozens injured at Boston Marathon finish line. US & World Videos 8:39 Gina Rodriguez gushes 0ver motherhood with son Charlie 2:22 Scarlett Johansson and Colin Jost have date night at White House Correspondents' dinner 1:37 Pro-Palestinian protesters gather outside White House correspondents' dinner 2:05 How ‘Love Is Blind' made Vanessa Lachey and Nick Lachey's marriage stronger 2:30 ‘Baby Reindeer': Inside Richard Gadd's Netflix phenomenon