WASHINGTON — The California man accused of plotting to kill Supreme Court Justice Brett Kavanaugh had an expansive goal to change the makeup of the Supreme Court “for decades to come,” according to a recent court filing that cites discussions the man had online.Nicholas John Roske, 26, told unidentified internet users that his goal was to reverse the then-leaked draft decision of the since-overturned Roe v. Wade decision, according to an affidavit for a search warrant in the case, filed in Maryland …