Former President Donald Trump speaks during a commit to caucus rally Tuesday in Waterloo, Iowa. — AP Photo/Charlie NeibergallWASHINGTON — Donald Trump touts his transformation of the U.S. Supreme Court as one of his presidency’s greatest accomplishments. Now his legal and political future may lie in the hands of the court he pushed to the right.With three Trump-appointed justices leading a conservative majority, the court is being thrust into the middle of two cases carrying enormous political …