April 15, 2013 7:24 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 0:54 Nude cruise sailing out of Miami in 2025 1:36 Arizona Senate repeals 1864 abortion ban 1:40 Democrats say Big Oil misled public for decades about climate change 1:01 Woman arrested on human trafficking and prostitution charges in Miami-Dade in court 1:45 NYPD enters Columbia University in riot gear to clear protest