State Sen. Kelly Hancock faces one challenger — Democrat Gregory R. Perry.
More than 40,000 Tarrant County residents cast ballots in the first three days of early voting.
Wendy Davis trails Republican Greg Abbott by 16 points in one poll, which means she may fall behind 2010 nominee Bill White.
Republicans are also the front-runners in other statewide races on the Nov. 4 ballot as early voting continues and the campaign nears its end.
The Democrat’s rhetorical hug of the president contrasts sharply with the arms-length approach many in the party are taking in the 2014 campaign.