It didn’t take long for Michael McCrum to become a bull’s-eye for Republicans outraged by the felony charges against Gov. Rick Perry. But those who know the 57-year-old McCrum say the sweeping partisan attacks against him won’t stick. As the special prosecutor in the Perry case, McCrum is a veteran attorney — and former cop in Dallas and Arlington — who’s been on both sides in legal skirmishes. He’s got plenty of fans, both Democrats and Republicans. And his political leanings largely are muted. -snip McCrum, in announcing the indictment Friday, dismissed the notion that the Perry investigation was driven by...