(PHOTO CREDIT: TAUSEEF MUSTAFA/AFP/Getty Images) FROM CNN's Jack Cafferty: The U.S. war in Afghanistan by some counts is now the longest war in American history. It's been 104 months since October 2001 and the start of a hugely popular mission in the aftermath of 9/11. That's longer than World War II. And that's longer than … Continue reading Afghanistan war = America's longest. Worth it?