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A snapshot of Missouri's turnout

From NBC/NJ's Carrie Dann
ST. CHARLES, MO -- O'Dark Thirty isn't too early for Missouri voters. At VFW Post 2866 in conservative St. Charles County, MO, voters were lined up outside before polls opened at 6:00 am local time to cast their votes. Since doors opened two hours ago, a  steady stream of voters have braved chilly rain to cast their votes in this bellwether state's primary. Election officials estimate that over 40% of this precinct's 3,000 voters will participate in the election today.