FORT HOOD -- In his quarter century working in military courts, attorney Guy Womack can count on the fingers of one hand the times he has allowed a client to testify. "My knee-jerk reaction is never to do that," said Womack, an ex-Marine Corps lawyer based in Houston. "I've never regretted not doing that." But he may make an exception to his rule for Spc. Charles Graner Jr., the Army reservist accused of leading the much-publicized abuse of detainees at Abu Ghraib prison in Iraq. He says Graner, whose trial begins with opening statements Monday, can explain better than anyone...