Should-Read: Jared Bernstein also wishes that we had (1) Greg back. It is indeed the case that the old (1) Greg-teaching-students-about-public-finance-issues was much better than the current (2) Greg-going-as-far-as-he-believes-he-can-to-be-helpful-to-the-Republican-Party:
Jared Bernstein: When econ models potentially mislead, econ profs should say so: "Greg Mankiw points out the direction [but not the magnitude] of Hassett’s result is consistent with a particular economic model...