FiveThirtyEight: “On Tuesday afternoon [September 24, 2019], House Speaker Nancy Pelosi announced her plans to open an official impeachment inquiry of President Trump. Although she and others in House leadership positions have resisted opening formal impeachment proceedings for months, a deluge of new calls from more moderate members of her party may have cemented her decision to move forward. More than two-thirds of the Democratic caucus now favor beginning an impeachment investigation in response to allegations that Trump attempted to pressure Ukrainian President Volodymyr Zelensky into investigating former Vice President Joe Biden, and may have threatened to withhold foreign aid. This is a huge change from the end of July, when we last checked in on where impeachment stood among House Democrats. At that point, just a few days after special counsel Robert Mueller’s testimony before two House committees about his investigation into Russian interference in the 2016 campaign, 109 Democrats were in support of impeachment. Granted, more than half of House Democrats have been in favor of impeachment since early August, but that number has now risen to 179, according to the New York Times, which means a solid majority of the Democratic caucus now supports impeachment…”