2014/09/04 Headlines: Obama Blames Russia for Ukraine Violence Ahead of NATO Summit; Obama: U.S. Aims to "Degrade and Destroy" Islamic State; Biden: U.S. Will Follow ISIS "to Gates of Hell"; U.N. Confirms Ebola Toll Tops 1,900; Justice Dept. Launches Civil Rights Probe of Ferguson Police; Detroit Resident Sentenced to 17 Years in Shooting Death of Renisha McBride; Study: Federal Program Speeding Deportations Has No Effect on Lowering Crime Rates; Palestinians to Seek Security Council Deadline for End to Occupation; Poll Shows Hamas Surge; U.S. Claims "Opposition to Settlement Activity" Following West Bank Seizure; Columbia University Senior to Carry Dorm Mattress Around Campus in Call for Rapist's Expulsion; Fast-Food Workers Holding National Strike for $15 Wage