The comes as Democrats face a challenging set of races nationwide to maintain control of Congress' upper chamber.

Ted Cruz's campaign cited a series of ads running in Texas paid for by the DSCC and Allred's campaign they say violated FEC rules.

Texas is certainly an unlikely place for Democrats to be placing their faith. A Democrat hasn’t won a contest there in three decades. The Lone Star State seems perennially just out of reach for Democrats, raising their hopes only to resoundingly dash them on election day.