Mourdock, a Tea Party favorite who beat Sen. Dick Lugar (R-Ind.) in a May primary, is locked in a tight race with Rep. Joe DonnellyJoseph (Joe) Simon DonnellyHouse passes bill to ease menu labeling rules under ObamaCare Democrat Manchin: Pence attacks prove ‘they don't want bipartisanship’ in Trump admin Pence optimistic GOP can expand majorities in House, Senate MORE (D-Ind.).

His spokesman laughed off the early posting.

"Like the vast majority of Hoosiers, Richard hopes the Supreme Court strikes down ObamaCare, which our opponent Joe Donnelly dutifully supported," said Mourdock spokesman Christopher Conner. "But as the Boy Scouts say, 'be prepared.' "

The court could have announced its ruling Thursday but did not. It's now likely to be announced on Monday or later next week.

Watch Mourdock spell out his plan to repeal Democrats' healthcare law after the Supreme Court — and then watch him talk about the way forward in three alternate future realities: