The Democrats might capture the House this year, but every GOP pickup makes that prospect less likely. Here in Minnesota, we have two very strong pickup opportunities, open seats in the 1st and 8th Congressional districts, both of which went strongly for President Trump in 2016. I am pretty confident that the Republican candidates, Jim Hagedorn and Pete Stauber, will win those races. Until now, hardly anyone has taken seriously the chance that Republican David Hughes can upset longtime Congressman Collin Peterson in Minnesota’s 7th. But, in a stunning move, Real Clear Politics now rates the contest a tossup. Peterson...