Still smarting from his loss in the primary, Cruz says he’ll use his convention speech to outline his own vision of the Republican Party’s future. But will he endorse? One of these days, and maybe soon, Ted Cruz just might have to endorse Donald Trump. But he’ll never concede Trump could have beaten him in a fair fight — and he’ll never accept that Trump’s me-first philosophy represents a sustainable future for the GOP. Above all, Cruz wants to use the big stage in Cleveland to present a non-Trump alternative vision for his party’s future, one rooted in constitutional conservative...