Sarah Palin burrows underground

Sarah Palin, Alaska's chronic whiner, habitual Tweeter, half-term quitter-in-chief and former reality TV star has all of a sudden become very silent.

Palin, who couldn't name one magazine or newspaper she read regularly when she was John McCain's running mate, now communicates entirely via a Facebook page and Twitter feed.

But six days after the horrific shootings in Arizona, Sarah Palin is