We now know more about where Donald Trump apparently developed his alleged theory that Ukraine, rather than Russia, hacked the DNC in 2016 in order to in some manner help Hillary Clinton—despite U.S. intelligence agencies confirming that it was the Russians. Jonathan Capehart in for Joy Reid and his panel discuss. Plus: More than half of Americans support the impeachment inquiry according to a new NBC News/Wall Street Journal poll, while 49% say Donald Trump should be impeached and removed from office according to this poll, plus another from Fox News. And: With just over 100 days to the crucial Iowa caucuses, Democrats running for president in 2020 descended on ‘the Hawkeye state’ this weekend to make their pitch at the Liberty and Justice Celebration dinner. Meanwhile, new numbers from the latest NBC News/Wall Street Journal poll out Sunday morning show the race is still far from over. Then: Fox News stands accused of attacking Lt. Colonel Alexander Vindman, a decorated officer in the U.S. Army and Ukraine expert on the National Security Council, who listened in on Donald Trump’s July phone call with the Ukrainian president. Vindman was also the first Trump administration official who sat in on that call to testify in the House impeachment inquiry. Also: Rep. Maxine Waters, chairwoman of the House Financial Services Committee, discusses the latest in the impeachment inquiry of Donald Trump and the actions of his Republican allies. All this and more in this Sunday edition of AM JOY on MSNBC. Learn more about your ad choices. Visit megaphone.fm/adchoices