Yeah, yeah, the poll was commissioned by Kos, but we’ve been over this before. Their pollster’s reputable, and if they were gaming the numbers here, some of their results would have tilted the other way. Hayworth beats all four hypothetical Democratic challengers? Obama’s net approval rating stands at -14? A plurality prefers a candidate who favors repealing ObamaCare to one who supports the law (44/39)? Not very Kos-y. Despite the conventional wisdom that McCain could be vulnerable to an intra-party challenge, we find that McCain has a fairly solid level of favorability among Republicans. His current favorability among GOP voters...