Pakistani protesters shout anti-U.S. slogans during a demonstration Friday in Multan following a suspected drone strike.U.S. military personnel depart a Pakistan base, a Pakistani official saysThe location is a hub of drone activity, another official saysThe news comes amid public furor over civilians killed in drone strikesIslamabad, Pakistan (CNN) -- U.S. military personnel have left a southern base in Pakistan said to be a key hub for American drone operations in the country's northwestern tribal areas, a senior Pakistani intelligence official told CNN on Friday.Drones are said to take off and get refueled for operations against Islamic militants from the Shamsi Air Base in Pakistan's Balochistan province.News of a possible U.S. departure...