The impeachment saga continues to unfold in Washington as tensions with Iran escalate.
John Bolton, President Trump's former national security adviser, said he'd testify if called upon in a Senate impeachment trial. Senate Democrats have pushed Majority Leader Mitch McConnell to call witnesses, even though's he's flatly denied doing so.
Meanwhile, lawmakers are also weighing in on the ongoing crisis with Iran.
This segment aired on January 7, 2020.