It’s Friday, March 1st. I'm Kyle Sauerhoefer, and here's your local news from the Austin American-Statesman. Our top story is: U.S. Rep. Joaquin Castro, a San Antonio Democrat, is considering challenging Republican Sen. John Cornyn for his seat in 2020, a campaign advisor to Castro told the American-Statesman this morning. A Joaquin Castro Senate candidacy would be an answered prayer for Texas Democrats amid the expectation that former U.S. Rep.