"It's going to be a huge challenge for President Obama, version 2014, to disagree with President Obama, version 2013, who suggested that we had won the battle against terrorism," said Danielle Pletka, a foreign policy and defense analyst at the conservative American Enterprise Institute in Washington.
"With sufficient humility and a genuine strategy, I believe he could persuade the American people of the importance of this mission," she said. "The question is: Does he have the strategy? Does he have the humility? That's not entirely clear."