He’s in his element. Left-leaning western state caucuses felt the Bern yesterday, giving him 72 percent of the vote in Washington State and a proportionate allotment of its 101 delegates. He also won a respective 82 and 71 percent of the vote in Alaska and Hawaii, with 40 delegates between them. The result whittles down Hillary Clinton’s seemingly insurmountable lead, and gives the “democratic socialist” Vermont senator desperately needed momentum. The losses may not trouble the former secretary of state’s backers — her own New York State voters cast ballots April 19.