9:06 p.m. CBS News projects that Donald Trump wins Michigan.

9:00 p.m. CBS News projects that Donald Trump is leading the Republican field in Michigan.

8:43 p.m. One more interesting tidbit out of the Mississippi GOP exit polls: the survey asked voters who they would have supported if only Trump and Cruz had been on the ballot.

Forty-nine percent said they would have voted for Trump, compared with 44 percent who said they would have voted for Cruz. Six percent said they wouldn’t have voted.

In a two way race between Trump and Rubio, Trump would have crushed Rubio by 60 percent to 29 percent.

8:37 p.m. CBS News projects that Donald Trump has won Mississippi.

8:24 p.m.According the CBS News exit poll, Trump beat Cruz among virtually all demographic groups in Mississippi.

Among men: Trump 49 percent to Cruz 34 percent

Among women: Trump 41 percent to Cruz 37 percent

Among those under 45: Trump 41 percent to Cruz 38 percent

Among those over 45: Trump 47 percent to Cruz 35 percent

He even beat Cruz among those with a college degree: 42 percent to 34 percent; he only did a little better among those with less than a college degree (Trump 47 percent to Cruz’s 38 percent).