Former President Donald Trump has had one of his periodic changes of heart. In a recently published interview with Bloomberg, he called zoning regulations he’d spent most of 2020 campaigning in favor of “a killer” that’s pushing up housing costs. “So 50% of the housing costs today and in certain areas like, you know, a lot of these crazy places is environmental, is bookkeeping, is all of those restrictions,” Trump said in an interview conducted in June and published yesterday. “Your permitting process. Your zoning, if—and I went through years of zoning. Zoning is like…it’s a killer. But we’ll …