Newsweek isn’t sure what she means. I have a guess. Watch the last little bit of this interview, then read on.
I *think* she means that impeachment backfired on Democrats by creating an intense spotlight on Hunter Biden and Burisma, ironically the very thing Trump was seeking to do by nudging Ukraine to reopen an investigation into the two. Peter Beinart floated that theory a few weeks ago as well: Joe Biden, not Trump, was the big loser from the process.