[W]hile Romney would be a fine candidate to win with, he would be a very dangerous candidate for Republicans to lose with. If Romney should be nominated and defeated, it’s easy to imagine Republicans deciding that the route to victory is to do Tea Party 2.0 in 2014 and 2016 – doubling down on the extremism of 2009-2010 long past their sell-by date.
Once again, I have flashbacks to the Tories after Blair's first win. The only way you really kill off the far-right temptation is to give into it and lose so badly you never forget. Maybe a Bachmann-Trump combo could help the GOP in the long term.