Failed Democratic Texas gubernatorial candidate Wendy Davis will launch a bid to unseat pro-life Republican Texas Rep. Chip Roy in 2020. The abortion activist is best known for filibustering a bill to ban late-term abortions in the Texas legislature. The revelation ends months of speculation and sets the stage for what could be a high-profile duel in a congressional district national Democrats are aggressively targeting. Abigail Sheppard, press secretary for U.S. Rep. Filemon Vela, D-Brownsville, said Thursday that “Wendy spoke to the congressman directly that she plans on running.” Davis, a former state senator, said in April that she was...