The victory of a Democrat in the special election to fill Vice President Gerald Ford's House seat in February 1974 was a clear indication that the bottom had fallen out for the Republican Party. Brown's victory last week looks as if something similar has happened to the Democratic Party.
Ace has some thoughts on why Obama's mandate was so fleeting.
If i worked for the RNC, i'd worry about a repeat of 1998. Over-confidence can be a killer. (Just as Former Speaker Gingrich.)