Sen. Mike Lee (R-UT) has sold out everything he believes in, in a quest to seek approval from Republican Party leadership, argued former Sen. Claire McCaskill (D-MO), who said in a pre-presidential debate panel on MSNBC that “Mitch McConnell didn’t love him” and gave Lee a cold welcome. The remark came amid a scathing new analysis of Utah’s junior senator by The Atlantic’s Tim Alberta, highlighting his evolution from a small-government conservative repulsed by Trump to a full-on MAGA disciple ingratiating himself for influence. Part of the issue, said McCaskill, is that Lee, who defeated longt…