CNN — Being “My Kevin” isn’t counting for much yet. Kevin McCarthy’s failure to lock down the votes to become speaker is casting new scrutiny on his decision to tie his fate to Donald Trump. That’s because the ex-president’s use of the midterm elections as a stage for his voter fraud falsehoods alienated many voters and landed the Republican House leader with a tiny majority that has made his campaign for the top job such a squeaker. McCarthy endured scorn and ridicule when he rushed to Mar-a-Lago days after the US Capitol insurrection two years ago to embrace Trump –...