The Obama campaign is engaging in a little out-of-the-box religious outreach--not just showing up at African-American churches to be anointed (the old-fashioned Democratic way), but also using some of the devices that people complained about when the Bush campaign used them in 2004.
The Huckabee approach, by contrast, seems to be "Christian leaders? who needs ’em?" Well, not quite. But in the absence of support from the evangelical establishment, he’s got Huck’s Army, created, natch, by homeschoolers.