Spurred by a whistleblower complaint over a phone call with Ukraine's president, Democrats launch a formal impeachment inquiry into President Trump. The Trump administration makes the transcript of that call public, with the president saying there was nothing wrong with it. The acting director of national intelligence testifies before the House Intelligence Committee about his handling of the whistleblower complaint. Plus -- President Trump visits New York to take part in the General Assembly of the United Nations. CBS News Correspondent Steve Dorsey will have these stories and more on the CBS News Weekend Roundup.