A bipartisan majority of Montana state senators is asking Jonathan Windy Boy, D-Box Elder, to resign his legislative seat because of sexual abuse allegations. The letter, endorsed by at least 39 of Montana’s 50 state senators, called the allegations against Windy Boy “disqualifying for anyone holding public office.” “We believe that the right thing for you to do for yourself personally, for the Legislature, and for your constituents is to imme…