The Army's intent to get "back in balance" by 2011 by increasing soldiers' time at home will be partially delayed by the buildup of troops in Afghanistan, the Army chief of staff said last week. In an e-mail to senior Army leaders, Gen. George Casey said the service's plans hinge on the timely withdrawal of American forces from Iraq. Defense officials have said that time line relies on Iraq holding national elections, which could be delayed. The chief's stated goal...