Many Democratic strategists and organizers have been warning that if Vice President Kamala Harris wins the 2024 presidential race but Republicans flip the U.S. Senate, a Harris administration would have a difficult time getting cabinet nominees confirmed —especially if Sen. Mitch McConnell’s (R-Kentucky) successor as Senate GOP leader turns out to be even more of a hardliner. Moreover, they warn, a Republican Senate majority could prevent Harris from adding any Democratic justices to the U.S. Supreme Court should she defeat Donald Trump in November and have any High Court vacancies. In an opin…