Dickerson: Trump vs. Clinton "has the potential to be quite dark"
Trump: Ted Cruz "an incredible competitor"
After Trump wins Indiana, Cruz drops out of race
Dickerson: Trump vs. Clinton "might not be very pretty"
On this day: Four killed in Kent State shooting
Deal returns Detroit teachers to classroom after sick-out
Book excerpt: "Red Platoon"
Small English city celebrates improbable soccer championship
Fighting rages in Aleppo as peace effort moves to Moscow
Indian teen accidentally kills himself in selfie tragedy
Brussels bombings survivor reunites with daughters
Researchers believe they found Captain Cook's shipwreck