NEW : CNN Democrats struggle to maintain liberal support for Afghan war . Obama accepts resignation of U.S. commander of Democrats war after explosive comments . Washington has pressed Karzai to clean up alleged corruption in the government . Obama pressed Afghan president to clean up alleged corruption in the government . Obama : Iraq troops in Obama will reduce to between 35,000 and 50,000 by May .
NEW : CNN Democrats struggle to maintain liberal support for Afghan war . Obama accepts resignation of U.S. commander of Democrats war after explosive comments . Obama pressed Afghan president to clean up alleged corruption in the government . Obama : Iraq troops in Obama will reduce to between 35,000 and 50,000 by May .