What We're Following This Morning

More primaries and caucuses: The Republican presidential candidates are vying for four states today: Hawaii, Idaho, Michigan, and Mississippi. The Democrats are competing in Michigan and Mississippi. Donald Trump’s Republican rivals are hoping to stop his momentum. Bernie Sanders is banking on a win in Michigan.

Still no definite answers: It has been two years since Malaysia Airline Flight 370 vanished with 239 people on board. Last July, a flaperon that washed up in Reunion, the French island in the Indian Ocean, was said to be from the missing plane. The Australian official who is in charge of the search operation said it’s “very likely” the plane will be found.   

Maria Sharapova’s costly unforced error: Nike has suspended its sponsorship deal with the five-time Grand Slam winner, while Tag Hauer says it has pulled out of talks to renew a deal with her. Sharapova said yesterday she had failed a drug test at the Australian Open in January.

News from last night here