Democrats issue first subpoena in impeachment inquiry

Following a whistleblower complaint this week that started a political firestorm Mr. Trump is facing allegations that he pressured the Ukrainian president to investigate former Vice President Joe Biden, a potential 2020 rival, and Biden’s son Hunter in exchange for much-needed military aid. House Democratic leaders issued a subpoena for State Department documents. They are scheduling depositions with officials named in that complaint. Natalie Brand reports.