Why is President Trump canceling in-person rallies four days before the midterms, and what does it signal for Republicans? This Up First briefing also covers an alleged spoiler-candidate scheme in Alaska's Senate race and new warnings about a possible U.S. strike on Iran. Trump canceled in-person rallies in Iowa and Kansas, replacing them with 19 tele-rallies, while polling shows Democrats holding a sizable advantage, especially in the House.