Although President Richard Nixon resigned before he was impeached and tried, damning public testimony before congressional committees drove his 67 percent approval rating down to 25 percent and turned leaders of his own party against him. Even if the Senate ultimately acquitted the president, the revelations of a public Senate trial could crack Trump’s voter support and doom his chances for reelection. The impeachment of Bill Clinton may have lost a few House seats for Republicans, but it gave them the greater prize of the presidency in 2000. George W. Bush campaigned on the themes of restoring honesty and integrity to the White House and a quarter of voters said the scandal was very important for their decisions.