WASHINGTON -- President Barack Obama plans to request new funding from Congress for the conflicts in Iraq and Afghanistan, but he risks a backlash from antiwar lawmakers. Mr. Obama is expected to seek congressional approval of $75.5 billion for the wars, perhaps as soon as Thursday. The issue is already raising tensions on Capitol Hill, especially among liberals who are sympathetic to the president's broader agenda but voice concerns about his timeline for withdrawal of troops from Iraq and his plans to beef up forces in Afghanistan. "I can't imagine any way I'd vote for it," said Rep. Lynn Woolsey,...