In the aftermath of last week's atrocity in Connecticut, some serious pundits said Washington politicians might respond by acting like "grownups." The implication was that House Republicans and the White House would compromise to avoid the consequences of the so-called "fiscal cliff." That hasn't happened yet. Congress is ready to vote on a plan with no chance of Senate concurrence in hopes of shifting the blame for gridlock to the Democrats. The President, strengthened by re-election, is unlikely to back down. We look at what's at stake for taxpayers, homeowners, the elderly and the poor.