Record cold follows early snowstorm over much of eastern US

Snow and cold records fell as an arctic airmass that started in Siberia spilled over a big chunk of the eastern half of the U.S., including the normally mild South, on Tuesday.The mid-autumn taste of winter brought record single-digit temperatures to Chicago and environs; set snowfall records in Buffalo and Detroit; dusted cars with snow in Memphis, Tennessee; and froze lakes in Minnesota weeks earlier than usual.Wisconsin farmer Bob Grove still has soybeans in the field, 20 miles south of Milwa