Tariffs, flight cancellations, OpenAI's spending reset and more in Morning Squawk

This is CNBC's Morning Squawk newsletter. Subscribe here to receive future editions in your inbox.Happy Monday. With the Winter Olympics officially wrapped up, many athletes are leaving Italy with more than just a medal.Stock futures are lower this morning following a winning week for all three major indexes.Here are five key things investors need to know to start the trading day:1. If at first you don't succeedU.S. President Donald Trump answers questions during a press briefing held at the White House Feb ...