MILWAUKEE (WKOW) -- President Barack Obama is leading each of his four Republican rivals in Wisconsin, according to a new poll.
Marquette University released the poll Wednesday. It shows Obama leading former Sen. Rick Santorum, 51 percent to 40 percent, and leading former Gov. Mitt Romney, 53 percent to 38 percent.
The poll questioned 716 registered Wisconsin voters from Thursday to Sunday. The overall margin of error is plus or minus 3.7 percentage points.
The poll shows Obama leading Rep. Ron Paul 52 percent to 36 percent. The president also leads a former House Speaker Newt Gingrich, 56 percent to 33 percent.
Santorum is the early favorite in Wisconsin's April 3 Republican primary. Among those who said they plan to vote, the poll shows him with 34 percent, while Romney gets 18 percent. Another 17 percent say they're undecided.
