He's an Objectivist. Take that as you will. (E.g. he has given lots of money to the ARI - those big ass warmongers (Peikoff, etc.))
You think Cato would appoint a Rothbardian/Misesian? HAHAHA. Dude, they stole CATO from Rothbard. Of course they're going to give it to these pseudo-fake libertarians.