Afghanistan Is No Vietnam (Michael O'Hanlon, The National Interest)
Several weeks ago, reputable news organizations like Politico and CNN reported the results of a survey of Americans in which support for the Afghanistan war, now in its thirteenth year, was lower than public support had ever been for the Vietnam conflict. Reportedly, this polling data is influencing White House advisors to President Obama, who favor a rapid end to the war, including perhaps even a "zero option" for next year (after the current NATO mission there will have ended).
nationalinterest.org/commentary/afghanistan-no-vietnam-10102