Filing is usually c. Dec. 31 of the year before the primary in TX. Sometimes maybe Jan. 2 or 3. Right now, people like Cornyn, and no one will oppose him.
Filing for the Mar, 4, 2014 primary is between Nov. 9 to Dec. 9, 2013. Not much time left for anyone to put together a strong organization, gather the money, etc.
Right now, people like Cornyn, and no one will oppose him.”
Not true on both accounts. There are two people thus far who have indicated they will run against him.