Right now, Republicans are wielding impeachment mostly as an offensive weapon, and Democrats are generally playing defense or changing the subject as 2020 congressional races rev up. It's unclear how potent the issue will be by Election Day.

Right now, Republicans are wielding impeachment mostly as an offensive weapon, and Democrats are generally playing defense or changing the subject as 2020 congressional races rev up. It's unclear how potent the issue will be by Election Day. https://t.co/yonM29cDP3

— The Associated Press (@AP) November 30, 2019