By Chris Casteel Staff Writer ccasteel@oklahoman.comMUSKOGEE — Mick Cornett and Kevin Stitt both backed President Donald Trump on immigration but split on the tax bill for teacher pay hikes, at a GOP gubernatorial forum here Thursday that also touched on gun rights, medical marijuana rules and other issues. Facing off for the first time in the runoff campaign, Cornett and Stitt kept it friendly at a dinner sponsored by the Muskogee County Republican Party.Read more on NewsOK.com