By Ian Bremmer
The views expressed are his own.
When President Barack Obama announced in late 2009 that he would send an additional 30,000 troops to Afghanistan, few were as pleased as Defense Secretary Robert Gates. A holdover from the George W. Bush administration, Gates had championed the 2007 surge of troops into Iraq, a move that helped turn both the tide in that country and public opinion in the U.S. on its future. Gates and the generals hoped for similar success against the Taliban.