WASHINGTON — The Army is likely to make a temporary 30,000 increase in troop numbers permanent as it struggles to ease the burden on forces strained by the operations in Iraq and Afghanistan, a senior Army general said Thursday. The general, speaking to reporters on condition of anonymity, said the boost in the Army's ranks had become necessary for the military to meet its growing overseas commitments. A year ago, Defense Secretary Donald H. Rumsfeld allowed the Army to temporarily boost its ranks by 30,000 to reduce stress on the force. But he has long opposed a permanent increase in...