Online fundraising seems to work best when underlying receptivity to a message combines with a sense of urgency. Thus, last week, immediately after John McCain announced Sarah Palin as his VP pick, his campaign received a huge wave of donations -- $4.5 million in the first 24 hours, reportedly. That was the Republican base waking up. Now, I suspect we are going to see an even bigger haul for Barack Obama today and tomorrow. If the Palin pick woke up the conservative evangelical community that, until now, was lukewarm on McCain, the hard-edged speeches from last night's Republican convention, which were watched widely (compared to Tuesday night, when GOP ratings slumped) by voters of all stripes, are not just firing up...