2 men exchange gunfire at Flint bus station, leaving 1 in critical conditionMesmerising charts show world's most and least populated countries over timeMayor of North Carolina's capital city won't seek reelection this fallRetired general's testimony links private contractor to Abu Ghraib abusesCardi B, Queen Latifah and The Roots to headline the BET Experience concerts in Los AngelesAnalysis: Kyle Larson settling in quickly as preparation continues for Indianapolis 500 debutTreasurer denies South Carolina Senate accusation he risked cyberattack in missing $1.8B caseClosing prices for crude oil, gold and other commoditiesAnalysis: Kyle Larson settling in quickly as preparation continues for Indianapolis 500 debutBuffalo Sabres fire head coach Don Granato after extending playoff drought to 13th season