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/* McCain vs. Obama */
McCain had the early edge, wrapping up the Republican nomination before Obama was known to be the choice of the Democrats, but this was one of the few advantages he has had. Both Hillary Clinton and Barack Obama raised far more money than McCain and the Democratic primary saw a surge of new voters coming out leading to a large increase in the rolls of Democrats. From the historical position of a generally equal number of Republicans and Democrats, the numbers have now tilted 41% Democrat to only 32% Republican. From the time that Obama was declared the nominee, opinion polling showed him with a modest advantage over McCain in terms of who the voters would choose to be their next President.
Obama's strategy was to tie McCain to George Bush, a very unpopular President, even though McCain was not a part of the Bush administration and often clashed with Bush during his time as senator. McCain, for his part, had to walk a fine line with accepting praise from the President to woo conservatives, while at the same time keeping enough distance so as to not alienate moderates. When possible, McCain went after Obama's lack of foreign policy experience.
On paper, the nomination would seem to heavily favor the Democrats. Overall, Democrat candidates have a +10% advantage over Republicans in a 'generic' election. The current unpopular President is a Republican, and the economy is treading water. Also, based on statistical percentages of articles on each candidate, Obama was being focused on with press coverage far more than McCain. When McCain chastised Obama for his lack of foreign policy experience and that he hadn't been to Iraq or Afghanistan in years, Obama's campaign set up for him to take a trip to both countries. While this is expected in politics, the decision of every major network to send a team of reporters to follow him was unprecedented. Obama spoke to 200,000 people in Berlin in a highly covered speech. McCain spoke to 50,000 in Buffalo shortly thereafter and barely got a whisper. Obama's numbers started to rise, but a good deal of the populace was noticing the disparity as 48% of those polled felt the press was trying to help Obama win.
