The first is the fiscal cliff, which is extremely time-sensitive and has to do with December 31st deadlines that trigger, if Congress doesn't act, substantial tax increases for everyone, including the middle class, and that trigger across-the-board spending cuts, the combination of which would, by many estimates, not be very good for the economy.

WHITEHOUSE: Press Briefing by Press Secretary Jay Carney,

Minuscule changes in the squeezing of the sensor trigger far larger changes in the flow of electrons, which makes the sensor extremely sensitive.

ECONOMIST: Monitor: Very handy | The