ICYMI, here's what Speaker Pelosi said earlier:
"The actions taken to date by the president have seriously violated the Constitution, especially when the president says, 'Article 2 says I can do whatever I want.'
"For the past several months, we have been investigating and our committees and litigating in the courts so the House can gather all the relevant facts and consider whether to exercise its full Article 1 powers including a constitutional power of the utmost gravity, approval of articles of impeachment.
"And this week, the president has admitted to asking the president of Ukraine to take actions which would benefit him politically. The action of the Trump, the actions of the Trump presidency revealed the dishonorable fact of the president's betrayal of his oath of office, betrayal of our national security, and betrayal of the integrity of our elections.
"Therefore today, I'm announcing the House of Representatives moving forward with an official impeachment inquiry. I'm directing our six committe to proceed with their investigations under that umbrella of impeachment inquiry. The president must be held accountable. No one is above the law."