Ted Cruz will deal Donald Trump an emphatic defeat in Wisconsin next week. That’s according to The POLITICO Caucus – a panel of activists, strategists and operatives in 10 key battleground states. Nearly nine-in-10 Republicans in those states chose Cruz as the likely winner of next Tuesday’s Wisconsin presidential primary. Among Democrats, Caucus members by a nearly two-to-one margin predicted Bernie Sanders would defeat Hillary Clinton. In the Republican race, insiders said Cruz has surged ahead of Trump in Wisconsin thanks to GOP Gov. Scott Walker’s endorsement and an electorate that isn’t as favorable to Trump as those in other...