FROM CNN's Jack Cafferty: With friends like Hamid Karzai, who needs enemies? Here's what America's alleged ally – the president of Afghanistan – has been up to lately… [cnn-photo-caption image=http://i2.cdn.turner.com/cnn/2010/images/04/06/art.karzai.jpg caption="Afghan President Hamid Karzai (R) speaks with visiting Iranian President Mahmoud Ahmadinejad moments before a joint press conference at the presidential palace in Kabul on … Continue reading U.S. policy when it comes to Afghanistan?