President Joe Biden strode into the telephone bank at a crowded union hall and eagerly began making calls and eating doughnuts — one frosted, one glazed — to try and deliver votes for Democrats. "What a governor does matters," the president said, giving a pep talk to volunteers who were making Friday night calls for gubernatorial hopeful Tina Kotek and other candidates. "It matters! It matters, it matters, it matters!" Before he left Portland on Saturday, the president planned to attend a reception for Kotek and speak about his administration's efforts to bring down costs for Americans. It was the final stop on a four-day swing through Oregon, California and Colorado that has encapsulated Biden's strategy for turning out voters on Election Day, Nov. 8: flex the levers of government to help boost candidates, promote an agenda aimed at strengthening an uncertain economy and haul in campaign cash. And this: show up for candidates when Mr. Biden can be helpful, but steer clear of places wh