. >>> and silvery moon. scientists discover a "treasure chest" of elements on the lunar surface. captions paid for by nbc-universal television >>> hello and good morning. welcome to ow viewers on the pacific coast line. i'm lynn berry. >>> today we begin with tracking the campaign trail. president obama is hoping to drum up votes again today to help his party hold on to congress and hold on to control of congress. and last night, the president helped the democratic party pump funds into their campaign coffer in a campaign in california that cost $30,000 a plate. steve handelsman has more details on the president's west coast swing. >> reporter: in washington state, to try to preserve his senate majority, president obama campaigned for incumbent democrat patti murray who is in a tough race. >> in just a few days, your decision in this election is going to set the direction of this state and of this country for years to come. >> reporter: murray's republican opponent expired back. >> she has her d.c. friends coming to washington state to defend the indefensible, which happens to be