The Big Conversation:
State Rep. David Simpson shook up the speaker's race on Monday, but has he shifted it at all?
Simpson, R-Longview, released a letter Monday morning saying he had filed to run for House speaker. Simpson, one of the most conservative members of the Legislature, said last week that he was considering joining the race.
"I respect Speaker Straus as a fellow legislator who loves Texas and her people," Simpson wrote on Monday. "However, we differ on the way the House should be led. And I am not alone in that opinion."
Shortly after Simpson's announcement ...