Steve Kornacki: New poll shows cracks forming in Trump’s MAGA base

Welcome back. NBC News chief data analyst Steve Cornaki is here to break down the results of our latest NBC News decision desk poll. What do you got, Steve.>> Yeah, Kristen. So, towards the end of 2025, we know that politically a tough ending of the year for Republicans and for President Trump. And certainly this NBC News decision desk poll showing the same thing, a 42% approval rating for Donald Trump.Now, we know his approval rating has existed in a pretty narrow range the entire time both terms he's been ...