Wisconsin voters on Tuesday were split between Romney and Santorum as most trusted to manage health care policy, with 36 percent favoring Romney, 31 percent Santorum. About 1 in 6 said they trust Ron Paul most on the matter, 1 in 10 preferred Newt Gingrich.
In Wisconsin, Republican Gov. Scott Walker earned a 79 percent approval rating from GOP primary voters. Walker will face a recall election in June.
Exit polls in Maryland and Wisconsin were conducted for The Associated Press and the television networks by Edison Research. This includes results among 1,243 Republican voters interviewed Tuesday as they left their polling places at 25 randomly selected sites in Maryland, and among 2,095 Wisconsin GOP voters as they left 35 polling places across the state. Results from both states have a margin of sampling error of plus or minus 4 percentage points. Romney won D.C., where voters were not surveyed.
Associated Press writers Dinesh Ramde in Whitefish Bay, Wis., Carrie Antlfinger in Brookfield, Wis., AP global polling director Trevor Tompson and AP News Survey Specialist Dennis Junius contributed to this report.
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