2015/03/09 Headlines: Tens of Thousands March in Selma 50 Years After "Bloody Sunday"; Wisconsin: Protests Held After Police Kill Unarmed Black Teen; Mexico: Mothers of 43 Missing Students Mark International Women's Day; Boko Haram Declares Loyalty to ISIS; Bombings Kill 54; Syria: U.S.-Led Strike on Oil Refinery Kills 30; Iraq: Canadian Solder Killed by Kurds in "Friendly Fire"; Colombia: Tens of Thousands March in Support of FARC Peace Talks; Russia: 5 Detained in Murder of Opposition Leader Boris Nemtsov; Israeli Navy Fires on Boats, Kills Palestinian Fisherman; Tens of Thousands Rally Against Netanyahu in Tel Aviv; Another Oil "Bomb Train" Derails in Canada; Pioneering Documentary Fimmaker Albert Maysles Dies at 88