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 KaineTimothy Michael KaineAuthorizing military force is necessary, but insufficient Week ahead: Crunch time for defense bill’s cyber reforms | Equifax under scrutiny Insurer Anthem to cover bare ObamaCare counties in Virginia 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 Forbes KerryFor the sake of national security, Trump must honor the Iran deal Bernie Sanders’s 1960s worldview makes bad foreign policy DiCaprio: History will ‘vilify’ Trump for not fighting climate change MORE (Mass.), Gov. Deval Patrick (Mass.) and U.S. Senate candidate Elizabeth WarrenElizabeth Ann WarrenOvernight Finance: Lawmakers grill Equifax chief over hack | Wells Fargo CEO defends bank's progress | Trump jokes Puerto Rico threw budget 'out of whack' | Mortgage tax fight tests industry clout Michelle Obama is exactly who the Democrats need to win big in 2020 Wells Fargo chief defends bank's progress in tense Senate hearing 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 LeVaughn Robinson ObamaMichelle Obama criticizes lack of diversity in politics: one side is 'all white, all men' Obama interrupts Michelle's appearance with 25th anniversary tribute Michelle Obama: Young people feel what's happening now 'not what they were taught' 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.