The Pentagon sent its top intelligence official to Capital Hill on Monday to explain the mission and makeup of a secret battlefield intelligence group that some lawmakers suggested may have skirted congressional oversight and not been coordinated fully with the CIA. Some Democrats pressed for hearings, but Republicans said they were in no rush. The Senate Armed Services Committee chairman, John Warner, R-Va., and the panel’s top Democrat, Carl Levin of Michigan, met for over an hour with Stephen A. Cambone, the undersecretary of defense for intelligence. Full Story