PAST PERFORMANCE IS NO GUARANTEE OF FUTURE RESULTS: Krugman vs. Krugman. New York Times columnist tries to memory-hole his prior views on immigration.

And don’t get him started on this sort of invasion of illegal aliens: Fake an Alien Invasion, Save the U.S. Economy. “‘If we discovered that space aliens were planning to attack and we needed a massive build-up to counter the space alien threat, and inflation and budget deficits took secondary place to that, this slump would be over in 18 months. And then if we discovered, ‘whoops, we made a mistake, there aren’t actually any space aliens,’ we’d [still] be better,’ he added.”