Severe storms and tornadoes have battered the central US over the weekend and brought snow to Southern California. A new report says a lab leak was the likely cause of Covid-19, but intel agencies are divided. House Republican committees are going to look into the response to the Ohio train derailment. At least 61 people have been killed after a boat carrying migrants crashed in Italy. Plus, we'll tell you why you might stop seeing the "Dilbert" comics in your paper.