Reuters: U.S. Coast Guard and police boats cleared a way through protesters in kayaks at a Seattle-area port on Tuesday so Royal Dutch Shell's second of two Arctic drilling rigs could depart for Alaska. The activists, who have staged frequent demonstrations during the past two months against Shell's planned oil exploration in the Chukchi Sea, said 21 protesters in kayaks took to the waters just beyond the Port of Everett from where the oil rig left. The activists who entered the safety zone around the Noble...