They Mean Well. Really?

For the life of me, I can’t figure out why conservative pundits, even such stalwarts as Rush Limbaugh, when discussing the virtually inexhaustible supply of liberal follies and blunders, hasten to express their confidence that the perpetrators are “well-intentioned.” Why do conservatives hew mindlessly to the conventional line that far-left radicals are necessarily high-minded and motivated by the best of intentions?