NEW : House Republicans vote to maintain liberal support for Afghan government . Obama accepts resignation of Afghan commander of Afghan war after explosive incident . Obama pressed Afghan president to clean up alleged corruption in the government . Iraq : U.S. troops in Iraq will reduce to between 35,000 and 50,000 by August 31 .
NEW : House Democrats struggle to maintain liberal support for Afghan war . Obama accepts resignation of U.S. commander of Afghan war after explosive comments . Obama pressed Afghan president to clean up alleged corruption in the government . Obama : U.S. troops in Iraq will reduce to between 35,000 and 50,000 by August 31 .