Obama’s pick means Kerry will be studying Romney’s manner as well as policy positions in order to help the president prepare to face him in three presidential debates this fall. Kerry, a former Democratic nominee for president, has years of familiarity with Romney already because the two men both hail from Massachusetts, where Romney used to serve as governor.

At the very least, Kerry ought to have no problems conveying Romney’s New England accent.

Romney has yet to pick a proxy Obama for his own debate rehearsals, although one of his close allies, Sen. Rob PortmanRobert (Rob) Jones PortmanOvernight Tech: Zuckerberg breaks silence on Cambridge Analytica controversy | Senate passes sex trafficking bill | EU pushes new tax on tech | YouTube toughens rules on gun videos Senate passes controversial online sex trafficking bill GOP leaders to Trump: Leave Mueller alone MORE (R-Ohio), has functioned as a debate partner for past Republican nominees, even playing then-Sen. Obama (Ill.) for Sen. John McCainJohn Sidney McCainZuckerberg: Maybe tech should face some regulations Schiff mocks Trump: Obama, Bush didn't need staff warning 'do not congratulate' Putin GOP senator tears into Trump for congratulating Putin MORE (R-Ariz.) in 2008.