Slowly but steadily, a string of Democratic Party figures is taking Barack Obama's side in the presidential nominating race and raising the pressure on Hillary Clinton to give up."Most of their advice is, 'Let this play out, let's get through the primaries,' " Mr. Dean said. "And I think that's right....Voters have to have their say. It's painful, because that means we've got another two months of this."Howie P.S.: It would be a little less painful if not for some of Hillaryland's "low rent" (as Ed Schultz calls them) tactics.