Last night's telecast of Saturday Night Live, hosted by Saoirse Ronan and featuring musical guest U2 as well as Alec Baldwin reprising his Donald Trump impersonation, drew a 4.3 household Live+Same Day rating in the metered markets and a 1.7 in adults 18-49 in the markets with local people meters. In households, that was even with the last two originals before the Thanksgiving break, hosted by Chance the Rapper and Tiffany Haddish, with the 4.3 rating mark the lowest so…