A confident Barack Obama raised an extraordinary $7.8 million Sunday at three California fundraisers, most if it in large checks to a Democratic Party committee. "I will win. Don't worry about that," he said to the crowd of about 1,300 at his third event of the evening, according to the pool report. He was warmly received by House Speaker Nancy Pelosi, who called him "a leader that God has blessed us with at this time." Obama echoed some of the themes he discussed when he described Pennsylvanians as "bitter" and stoked controversy three months ago, but did so much more...