POLITICSPolitics·CBS NewsTrump visits Iowa to kick off midterm campaigning: "We've got to win"Sources say Iowa is seen as a key part of the Trump team's strategy to keep the House in GOP hands.Lean LJan 28Read at CBS News→POLITICSPolitics·CBS NewsTrump visits Iowa to kick off midterm campaigning: "We've got to win"Sources say Iowa is seen as a key part of the Trump team's strategy to keep the House in GOP hands.Lean LJan 28Read at CBS News→