The Trail
Copyright 2008
Thursday, August 21, 2008 3:41 PM

Sen. Barack Obama (D-Ill.), right, gets a salute from a Vietnam Veteran, Aug. 21, 2008, during a meeting at John Tyler Community College in Chester, Va. (AP/Steve Helber) By Anne E. Kornblut RICHMOND, Va. -- As part of an increasingly aggressive effort to redefine his opponent, Sen. Barack Obama on Thursday morning seized on a new remark by Sen. John McCain that he does not know how many houses he owns. "Somebody asked John McCain, 'How many houses do you have?' And he said, 'I'm not sure, I'll have to check with my staff,'" Obama said with a tone of incredulousness at an outdoor event here. "If you don't know how many houses you have, then it's not surprising that you might think the economy is fundamentally strong," he said. "But if you're like me, and you got one house, or you are like the millions of people who