I believe my favorite quote from the article is their imagined campaign pitch by a Republican nominee in the general election:
"We were promised hope and change — but instead life has been a drag in the Obama years. Millions of people lost jobs, saw the value of their house drop every month he’s been in office, never realized the economic growth he promised and were so cash-strapped they couldn’t buy the big-ticket items they were used to."A candidate could do much worse than copying that down and saving it for September, 2012. Add in that U.S. presidents don't need to apologize for our role in the world, and you've got a pretty good Republican campaign pitch.
If you've the patience for a long article, VandeHei and Allen do a nice tour of the presidential politics horizon.