Heitkamp was a 'yes' on Kavanaugh until Amy Klobuchar exchange
The Democrat had planned to approve Kavanaugh's SCOTUS nomination.
SCOTUS
Klobuchar 'stunned' by Kavanaugh's behavior at SCOTUS hearing
The Minnesota senator was interviewed on CNN on Sunday.
SCOTUS strikes down MN ban on political clothing at polling places
SCOTUS ruled it a First Amendment violation.