Police used pepper spray on some of the thousands of pro-Palestinian protesters who gathered outside the U.S. Capitol on Wednesday while Israeli Prime Minister Benjamin Netanyahu spoke to Congress. Shortly before Netanyahu began speaking, U.S. Capitol Police said some protesters had become violent. 'The crowd failed to obey our order to move back from our police line. We are deploying pepper spray towards anyone trying to break the law and cross that line,' police said in a statement. Protests were peaceful for the first few hours until about half an hour before the speech when demonstrators began a march and...