If Dems scotch a deal, cont.

Reports that Biden, taking up the fiscal cliff baton, is on the point of giving away the store have sparked deep depression in the left-side twittersphere this morning, leading me to this acid flashback:

@xpostfactoid1 another past pattern possible: Dems balk as crappy deal takes shape; O makes a last-minute ask to pacify them; Repubs reject & go home 7:53 AM - 31 Dec 12 · Details

And on cue, we have this from Senator Tom Harkin this morning:

December 31st, 2012 11:13 AM ET Washington (CNN) - Sen. Tom Harkin, a veteran Democrat and a leading liberal voice, told CNN Monday that he and other Democrats may try to block the fiscal cliff deal that's being furiously negotiated ahead of the year-end deadline.