There’s no way he could win, an unqualified buffoon who veers between hate speech and gobbledygook. The polls are irrelevant, because eventually Republican primary voters will do what they always do and choose a responsible, establishment pick — maybe a former prosecutor, or a veteran lawmaker. And if by some miracle he actually wins the nomination, November will be a field day for the Democrats, because the public will see right through him. What they say now about Pennsylvania Republican state Sen. Doug Mastriano is also what they said six years ago. “They always wanted Trump,” Politico Maga…