National Public Radio: A massive storm that some forecasters likened to a hurricane thundered across the Midwest on Tuesday, prompting severe thunderstorm warnings and tornado watches from Arkansas to Ohio and snarling travel. The system stretched from the Dakotas to the eastern Great Lakes with strong winds and heavy rain. Flights were delayed at one of the nation’s busiest airports, Chicago’s O’Hare International Airport, which is a major hub for American and United airlines. Eleven states were …