by Mark Finkelstein April 21, 2006 Advice to any Republican loyalists planning to watch a replay of this evening's Hardball: hide the sharp objects, put the firearms under lock and key, flush any potentially poisonous potions. With beautiful-but-deadly Norah O'Donnell sitting in for Chris Matthews, this might have been the most unrelenting gloom-a-thon since Watergate. Riffing off the latest polls showing W at 33%, it was one guest after another - from Bob Shrum to Kate O'Beirne to a panel of "hotshots" - painting a decidedly unrosy scenario. And just when things couldn't get any more dread, a former Clinton...