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- Former White House assistant Madeleine Westerhout testified Thursday in Trump's hush-money trial.
- The "Access Hollywood" tape sent the RNC reeling, she testified of working there at the time.
- Westerhout said RNC officials were so concerned, they began planning how to replace Trump.
The "Access Hollywood" tape was so damaging to Donald Trump's 2016 campaign that the Republican National Committee began planning how to replace him as the GOP's presidential candidate, his ex-executive assistant testified on Thursday.