WASHINGTON, June 10 (UPI) -- The Pentagon's top officials conducted far fewer press briefings and interviews during a period of major combat operations than the department has in decades, a Medill News Service review of five previous U.S. military flashpoints showed. Instead, throughout the Iran war, Pentagon leaders have conducted much of their wartime messaging through a social media blitz -- but with few specifics. "All of [the Pentagon's] policies right now are intended to create the least