Trump admits falsely claiming election was rigged, ignores counsel, undermining January 6 defense

Trump acknowledged he decided election was rigged despite legal advice it was legitimate.
Trump disregarded White House and campaign attorneys who said he lost the election.
Legal experts say Trump's admissions weaken his defense of relying on counsel.
Trump refused to answer questions about conduct on January 6 but insists he behaved appropriately.
Interview statements may aid prosecution's case that Trump illegally tried to overturn election.