CNN's chief national correspondent John King drove 900 miles through rural Ohio to gauge support for the president deep in Trump country. 0:00 Are cracks forming in the MAGA coalition? 1:07 Could Ohioans elect a Democratic senator this election cycle? 3:27 Why a veteran and former Trump supporter is backing Democrats this year 5:51 Why the Iran war was the last straw for a Portsmouth veteran and small business owner 7:41 The other issues putting Democrats in play in Ohio this year Watch more