For many Republicans, the party’s recent decision to make Donald Trump’s family member one of its leaders was a step too far. Trump has encouraged the addition of his daughter-in-law, Lara, to the leadership team at the Republican National Committee. For her part, Lara Trump has stood beside her claims that Republicans want to fund her father-in-law’s vast legal bills. But for certain rank and file GOPers just trying to hold on to the party they’ve always associated with, the decision smacks of nepotism. Some of them are choosing to leave the party, just as many longtime members did when Trump…