The ball has dropped and it's the beginning of a whole new year of news. Some big stories from 2014 will carry over to 2015, with ISIS, Cuba and Vladimir Putin sure to make headlines. There's also the question of whether Hillary Clinton will run for president and which Republicans will enter the 2016 race. Days after an AirAsia jet crashed into the sea, there's renewed interest in the enduring mystery of missing Malaysia Airlines Flight MH370. Not to mention ongoing protests over police tactics, the trial of the accused Boston Marathon bomber, and the possibility of a Supreme Court decision that could bring gay marriage to all 50 states. What will happen this year? Click through for stories to watch out for in 2015.