Which is the party of 'No?'

Russ Vaughn  "I've been giving some thought to this business of Democrats and their paper-trained media pets referring to Republicans as the Party of No primarily because of Republican refusal to roll over and play dead on ObamaCare. The following are some issues and aspects of American life to which the Democrat Party seems to be fairly united in their opposition:"
....
"I came up with those examples right off the top of my head in a matter of minutes and I'll wager that AT readers can come up with many more. All of which leads us to the question:
"Just which party is truly the Party of No?"