Minnesota shooting, Big Tech earnings, the winter storm and more in Morning Squawk

This is CNBC's Morning Squawk newsletter. Subscribe here to receive future editions in your inbox.Good morning. My gym in New York City unexpectedly closed early for the winter storm yesterday, but I was able to get in a makeshift workout pushing a taxi out of a snowbank.Stock futures are little changed this morning. The market is coming off a losing week.Here are five key things investors need to know to start the trading day:1. MinneapolisIn sub-zero temperatures, demonstrators marched in downtown Minneap ...