Seeking unity: Democrats, Republicans want it but are having a tough time achieving it

MILWAUKEE -- Unity... Everybody wants it, but nobody has it in presidential politics right now. House Speaker Paul Ryan and presumptive Republican nominee Donald Trump are not yet on the same page. But Democrats aren't united yet either.

Bernie Sanders won in West Virginia Tuesday night -- his 19th victory. Yet Hillary Clinton supporters insist their party will unify.

U.S. Senator Tammy Baldwin (D - Wisconsin)

"We have Democrats vying for the nomination -- I'm a supporter of Hillary Clinton -- who are all about giving working people a fair shot at the American dream, about getting ahead, and we're going to come together," said U.S. Sen. Tammy Baldwin (D - Wisconsin).

Despite Tuesday's loss, Clinton drew closer to wrapping up the Democratic nomination. She could have enough delegates by early June.

Charles Franklin

"It must be incredibly frustrating to the Sanders people that this success in the late going is too little, too late to catch up," said Marquette University Law School Poll Director Charles Franklin.

FOX6 News asked Franklin -- is that frustration enough that Sanders supporters won't vote for Clinton?

In the most recent Marquette poll of swing state Wisconsin, 11 percent of Sanders fans say if Clinton wins the nomination, they won't vote for Clinton or Donald Trump.

But the poll shows Republicans are still more divided. 20 percent of Ted Cruz and John Kasich supporters say the would not vote for either Trump or Clinton.

"Still the gap on the Democratic side does not seem as large as it does on the Republican side -- though certainly the Clinton campaign will have to worry about healing differences with the Sanders supporters and trying to win them over," Franklin said.

Some Democrats have told FOX6's Theo Keith off camera that some younger supporters of Bernie Sanders may not make the move to Clinton. To help with this, Franklin said Clinton may give Sanders a prime slot at the convention -- or ask him to campaign with her this fall.