There's not a single person in my acquaintance who is on the fence for the upcoming election. The people who will vote for Bush, will vote for Bush. The people who will vote against Bush will for Kerry.
Aside from highly graphic photos of Kerry duct-taping lemmings, no amount of mud-slinging will induce the 'liberals' into voting for Bush. Likewise, short of Jesus coming down from On High and publicly embracing Kerry, I don't see any 'conservatives' voting for Kerry.
Both parties should save their PAC money, invest in (fiscally) conservative bonds, and focus on the 2008 elections.
That way I can enjoy my re-run sitcoms without being bothered by all this annoying political stuff.