As far as Fox Sports talking head Colin Cowherd is concerned, the ongoing NCAA investigation into Michigan football — including a number of former coaches now with the Los Angeles Chargers — is a “witch hunt.” He expanded on his thinking during his show on Tuesday. While Cowherd didn’t offer anything up to dispute the facts of the allegations reported to be a draft Notice of Allegations — the NCAA equivalent of an indictment — his general disposition was that much of what was outlined is picayune. Things that shouldn’t be violations nowadays, anyways, Cowherd seems to think And he strongly pus…