Campaign rumbles into Indiana with underdogs struggling

TERRE HAUTE, Ind. (AP) — The 2016 presidential campaign rumbled through Indiana Sunday focused on Tuesday's critical primary, even as front-runners Hillary Clinton and Donald Trump itched to fully engage in the one-on-one battle they cast as inevitable.
But the underdogs in both parties made clear they had no plans to exit the race, at least until the Indiana results come in — and perhaps longer.