In the dojo of frivolous litigation, Donald Trump is to men’s rights activist Steve Frye what a sensei is to a janitor. Frye, a resident of Huntington Beach, California, likes to sue service industry companies that offer any sort of “ladies’ night”-type promos. In 2013, for instance, he filed an unsuccessful lawsuit against Cha Cha’s Latin Kitchen, from which he demanded $4,000 in compensation …