WASHINGTON - While President Bush tours the nation drawing huzzahs from the Republican multitudes and raises millions for his re-election bid, a few hopeful Democrats are more quietly trying to muster the support required to depose him. With just over six months before the initial Democratic showdown in the Iowa caucuses on Jan. 19, nine contenders are positioning themselves to grab the party nomination. Polls indicate that few Americans can identify any of the hopefuls. Meanwhile, Bush collected as much money in the most recent fund-raising quarter - more than $34 million - than all the Democratic contenders combined. But...