Jay Janner / Statesman.com/AP file
In this July 1, 2013, file photo, Democratic state senators, from left, Kirk Watson, Wendy Davis, Leticia Van de Putte and Royce West participate in a pro-abortion rights rally at the state Capitol in Austin, Texas. Davis and Van de Putte are going for a new kind of history in the U.S.: Winning as an all-female ticket for governor and lieutenant governor.