Indeed, voters in this week's primaries in Arizona and Michigan were largely on board to support the eventual GOP nominee. But there are signs that the broader Republican Party and the public in general have grown weary of the contest.
The latest AP-GfK poll showed that just 40 percent of Republicans had a "great deal" of interest in following the campaigns, down 8 points from December and about on par with the level last summer when the campaign was in a far sleepier phase, while satisfaction with the field of candidates is static.
There's a still distant possibility that the race could be unsettled when California awards its 172 delegates in early June, a prospect that both excites and worries die-hard Republicans there like Leland McCorkle.
McCorkle, chairman of the Glenn County GOP in northern California, said he's glad the party is taking a hard look at its options though he worries about the focus straying from Obama.
"It's called vetting, but how far do we go with the vetting?" McCorkle wondered.
Associated Press writers Dan Sewell in West Chester, Ohio; Ken Thomas in Cummings, Ga.; Kasie Hunt in Fargo, N.D., and AP Deputy Director of Polling Jennifer Agiesta in Washington contributed to this report.
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