Wendy Davis

Sen. Wendy Davis, D-Fort Worth, left, votes against a motion to call for a rules violation during her filibusters of an abortion bill, Tuesday, June 25, 2013, in Austin, Texas. Davis was given a second warning for breaking filibuster rules by receiving help from Sen. Rodney Ellis, D-Houston, with a back brace. (AP Photo/Eric Gay)

Sen. Wendy Davis, D-Fort Worth, left, votes against a motion to call for a rules violation during her filibusters of an abortion bill, Tuesday, June 25, 2013, in Austin, Texas. Davis was given a second warning for breaking filibuster rules by receiving help from Sen. Rodney Ellis, D-Houston, with a back brace. (AP Photo/Eric Gay)