Clackamas County Board of Commissioners Chairwoman Lynn Peterson greets President Barack Obama as he arrives at the Portland Air Guard Base, in Portland, Ore., Feb. 18. To her right is Brig. Gen. Mike Caldwell, Deputy Director, Oregon Military Department, who escorted Peterson to the event. Before boarding Marine One, Obama paused to shake hands with those who were on hand to welcome the president to Oregon. The president headed to Intel Corporation in Hillsboro to discuss manufacturing for science and technology with employees and community leaders.