McCain to Obama: Leave residual forces in Afghanistan --- McCain and Graham urged Obama not to repeat mistakes made in Iraq. ... The senators said Obama should push for a condition-based ... mistakes from Iraq and withdraws all U.S. troops from Afghanistan, based on a certain ... - Read More, The Hill (blog), http://thehill.com/blogs/floor-action/senate/218758-mccain-to-obama-leave-residual-forces-in-afghanistan