(CBS) Speaker Nancy Pelosi announced the House is launching a formal impeachment inquiry into President Trump setting up a dramatic constitutional clash just over a year before the presidential election. Today Im announcing the House of Representatives is moving forward with an official impeachment inquiry Pelosi said in a scathing statement at the Capitol late Tuesday afternoon. The speaker has long resisted calls from many progressive lawmakers to initiate impeachment proceedings against the president but Democrats appear to have reached a breaking point over the administrations refusal to hand over a whistleblower complaint related to Mr. Trumps interaction with a foreign leader.