Trump's 'sweeping immunity' defense met with Nixon pardon comparisons
• CNN's Jim Acosta raised Nixon's pardon when questioning Trump's immunity defense
• Former ethics head Norm Eisen said accepting Trump’s argument would allow presidents to commit crimes without consequence
• Eisen said if Trump was right, Nixon would not have resigned but claimed immunity
• Ford pardoned Nixon for any crimes committed while president after Watergate
• Eisen said Trump's immunity argument is about "running out the clock" on cases before 2024 election