On a book tour in New York, former U.S Secretary of Defense Robert Gates tempers some of his criticism of President Barack Obama.<br/> <br />His memoir entitled "Duty" released this week complains that Obama did not believe in his own strategy. He spoke to an audience, wearing a neck brace due to an injury.<br/> <br />(SOUNDBITE) (English) FORMER U.S. DEFENSE SECRETARY ROBERT GATES SAYING:<br/> <br />"The President made decisions that I thought were the right decisions. Whether it was the Afghan surge, I describe his decision on the bin Laden raid as one of the most courageous acts I have ever seen a president carry out. And so despite the complexity of the problems and the heated-ness of the debates, I was always comfortable with the decisions that he made at the end."<br/> <br />But Gates said Obama was lacking in effort to explain why the Afghanistan mission was important.<br/> <br />(SOUNDBITE) (English) FORMER U.S. DEFENSE SECRETARY ROBERT GATES SAYING:<br/> <br />"The things that troubled me were the suspicio
