The next big event in the GOP primaries comes on April 5th in Wisconsin — the focus of one of the chapters in my upcoming book Going Red. The book focuses on Brown County as a key target for the GOP in the general election, and a bellwether for the critical northeastern quadrant of the state. Green Bay anchors Brown County, and it will take significant attention in this area to run up a big enough lead to take the state. Presidential candidates will need to spend some time in Brown, especially the Republican nominee. Donald Trump will get a...