PITTSBURGH (KDKA) — President Bill Clinton is the next politician set to stop in Pittsburgh.

He will be campaigning for his wife Hillary Clinton in Allegheny County on Wednesday after campaigning in Johnstown first.

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Pennsylvania was a hot spot for candidates on Tuesday, and will continue to be leading up to next Tuesday’s primary election.

“The New York Primary is over. Pennsylvania is the must win state now. On Tuesday, there are five states in the mix, and Pennsylvania is the largest and most important state for candidates in both parties to win,” KDKA-TV Political Editor Jon Delano said.

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“We are not a poor country. We are the wealthiest country in the history of the world,” Democratic Presidential candidate Bernie Sanders said.

Democratic presidential candidate Bernie Sanders campaigned in Erie Tuesday afternoon, and then spent the evening at Penn State’s Main Campus in State College.

Republican presidential candidate Ted Cruz held a rally at the National Constitution Center in Philadelphia Tuesday evening. On Wednesday morning, he is headed to an event in Hershey.

McKees Rocks native and Ohio Gov. John Kasich was in Pittsburgh Tuesday. KDKA-TV Political Editor Jon Delano caught up with the Republican candidate leaving the Duquesne Club and asked him what Pittsburgh values he wants to take to the White House.

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“We need to take care of one another. Fix our schools. Deal with problems of poverty, welfare, education,” Kasich said.

Republican presidential candidate Donald Trump was in Pittsburgh last week. And the week before that, Pittsburgh Mayor Bill Peduto introduced Hillary Clinton before she spoke in front of a large crowd at Carnegie Mellon University.

On Wednesday, former President Clinton will be in Johnstown, then Pittsburgh to campaign for her.

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As we inch closer to next Tuesday, KDKA-TV Political Editor Jon Delano says the pressure will continue to be on the Keystone State.

“Because both parties have not yet nominated a candidate, no one has secured a majority of the votes, we are suddenly becoming the most important state in the next round of the primaries,” Delano said.

Here’s the latest poll information released from CBS’s Battleground Tracker. Republican primary voters were asked who they’ll likely vote for.

Twenty-six percent say Cruz, 23 percent say Kasich, 46 percent say Trump and four percent have no preference.

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CBS didn’t poll Democratic voters.