Democrats are poised to feature the party's rising stars from crucial swing states at next month's national convention, along with popular Massachusetts lawmakers expected to denounce presumptive Republican presidential nominee Mitt Romney's tenure leading the state.

Former Virginia Gov. Tim KaineTim KaineLawmakers wary of Trump escalation in Syria Va. Republicans to choose challenger to Tim Kaine through primary Live coverage: Senate Dems hold talkathon to protest GOP health plan MORE, locked in the midst of a high-profile and tightly contested U.S. Senate race, will be joined by Colorado Gov. John Hickenlooper and former Ohio Gov. Ted Strickland in Democrats' push to highlight swing states, according to a report Monday by The Washington Post.

Meanwhile, former presidential candidate Sen. John KerryJohn KerrySenate GOP healthcare plan is the next man-made disaster Changing America: America’s growing education divide Speaker Ryan, the fate of our policy toward Russia rests in your hands MORE (Mass.), Gov. Deval Patrick (Mass.) and U.S. Senate candidate Elizabeth WarrenElizabeth WarrenWarren goes on tweetstorm over GOP ObamaCare repeal bill Warren: Dems should campaign on single-payer healthcare plan Senate Dems step up protests ahead of ObamaCare repeal vote MORE are all expected to earn prime speaking slots at the convention — and use that position to knock Romney's record in their home state.

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Democrats are also planning to feature some of the younger up-and-comers in the party. In addition to keynote speaker and San Antonio Mayor Julian Castro — the youngest mayor of a major American city, and a Hispanic-American — speakers include Kamala Harris, the African and Asian American California attorney general, and Gov. Martin O'Malley of Maryland, rumored among the 2016 presidential candidates.

There should also be some red meat for the base, with Chicago Mayor Rahm Emanuel — a former Illinois congressman and Obama chief of staff — expected to be awarded a prime speaking slot.

Democrats had previously announced that first lady Michelle ObamaMichelle ObamaMichelle Obama surprises Chance the Rapper with BET Awards video Michelle Obama holds fitness 'bootcamps' for friends Obama marks Father’s Day: ‘I'm most proud to be Sasha and Malia's dad’ MORE and former President Clinton would anchor their Tuesday and Wednesday speaking schedules, respectively.

The Democratic convention begins Sept. 4, with President Obama set to speak Sept. 6, the final night of the convention, at Charlotte, N.C.'s NFL stadium.