WASHINGTON (AFP) - \Barack Obama is trouncing John McCain in the race for the White House -- at least in sales of T-shirts, badges, baseball caps and other campaign merchandise. "Everyone is going for Obama," a sidewalk vendor whose stand was smothered in Obama and McCain T-shirts, along with garb for visitors to Washington, told AFP. "We sell about 70 percent Obama stuff -- way more than McCain," said the vendor, who asked not to be named. Obama-embroidered baseball caps sat in the center of the stand; the absence of a McCain equivalent was striking. "I don't think our wholesaler...