Yeah, inspiring genuine enthusiasm is such dirty pool. McCain and Clinton don’t play that way, why should he?
I know. He wants you to get off now.
Someone looking for a good exposition of Obama’s non-vacuousness and non-nebulousness could hardly do better, IMHO, than to read this one post by Hilzoy at Obsidian Wings. It’s a bit long, and I’ll try to remember to post selected excerpts in the morning.