When the Blackboard Carbon Tax Meets Reality

WALL STREET JOURNAL  . . . . (LETTER)_ . ..In “How Climate Policy Went Wrong” (Business World, Jan. 27), Holman Jenkins, Jr., notes that implementing a good carbon tax—“in a ‘no regrets’ fashion”—requires a trade for “cutting other taxes” of equal magnitude. Even if such a bipartisan tax trade could be hatched, you can take…