Trump vents his frustrations at campaign rally as new Ukraine details emerge

The rapidly expanding impeachment inquiry by House Democrats into President Trump's dealings with Ukraine is taking on new urgency. On Friday, the president's former ambassador to Ukraine testified before a congressional panel about how she was removed from her job. This, as the New York Times reports federal prosecutors are investigating Mr. Trump's personal attorney, Rudy Giuliani, for his involvement in Ukraine. Natalie Brand reports.