Reason Morning Links: More Troops Likely in Afghanistan, Bill Clinton in North Korea, Cash for Clunkers Out of Money

– New assessment concludes thousands more troops may be necessary in Afghanistan.

– Obama sends Bill Clinton to North Korea to negotiate release of two captured U.S. journalists.

– Cash for Clunkers money could dry up by Friday.

– State attorneys general, public health activists want tighter regulation of alcohol-caffeine drinks.

– Obama finding it increasingly difficult to keep his pledge for no middle class tax hike.