sentences:  Yingling wrote an article called "A Failure in Generalship" that appeared on April 27, 2007, in the "Armed Forces Journal".The "Washington Post" described it as "a blistering attack on U.S. generals" and a signal of the "public emergence of a split inside the military between younger, mid-career officers and the top brass".He argues that the U.S. general corps needs to be overhauled because it failed to anticipate the post-invasion insurgency in Iraq, and because of its reluctance to admit the onset of such an insurgency in 2004.