KANSAS CITY, MO - FEBRUARY 05:  Sarah Murray of Kansas City carries son Evan to the polls on Super Tuesday February 5, 2008 in Kansas City, Missouri. Missouri is one of two dozen states holding contests today for the U.S. presidential nomination. Obama and rival Sen. Hillary Clinton (D-NY) are locked in tight race for delegates nationally, of which Missouri holds 72 on the Democratic side. In Republican's winner-take-all contest, 58 delegates are up for grabs. Getty Images logo Getty Images 21 months ago

KANSAS CITY, MO - FEBRUARY 05: Sarah Murray of Kansas City carries son Evan to the polls on Super Tuesday February 5, 2008 in Kansas City, Missouri. Missouri is one of two dozen states holding contests today for the U.S. presidential nomination. Obama and rival Sen. Hillary Clinton (D-NY) are locked in tight race for delegates nationally, of which Missouri holds 72 on the Democratic side. In Republican's winner-take-all contest, 58 delegates are up for grabs.