Gen. David Petraeus is settling in as President Obama's top man in Afghanistan. Petraeus and his commanders are pushing a plan to help Afghan villagers fight the Taliban on their own but President Karzai is said not to like the idea much. David Kilcullen talks to Mary Louise Kelly about adapting counterinsurgency strategy in Afghanistan. Kilcullen was a senior adviser to Petraeus during the Iraq surge in 2007.