Analysis: Trump’s madcap final week of campaigning, explained

Over the past month, President Donald Trump has been on a campaign binge -- holding rallies for Republican candidates in North Dakota, Montana, Indiana and lots (and lots) of other places. But in the final week of the 2018 campaign, he's kicking it into an even higher gear, barnstorming the country in hopes of doing everything he can to rally the GOP base and stave off what, historically speaking, should be a very tough election for Republicans.