Texas House Speaker Joe Straus, a San Antonio Republican, announced Wednesday he will not run for re-election in 2018, a decision that has the potential to upend the political balance of power in the state.

Straus, who has lately been the most powerful moderate Republican in the Texas Capitol, said he will serve until the end of his term. That means there will be a new speaker when the Legislature next convenes in 2019.

His decision immediately created a scrum for control of the House, pitting arch-conservative members who have opposed Straus against more centrist Republicans. Within hours of Straus' announcement, one of his top lieutenants, Rep. John Zerwas, R-Richmond, announced that he had filed to run for the speaker's post. State Rep. Phil King, R-Weatherford, had previously announced his candidacy, and others are expected to jump in.

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The announcement that he won't run again immediately set into motion speculation about the future of Straus’ top lieutenants. One of his closest allies, Rep. Byron Cook, R-Corsicana, who is chairman of the House State Affairs Committee, said in a statement first reported by Quorum Report that he "will pursue other opportunities to serve our great state."
https://www.texastribune.org/2017/10...ek-reelection/