The Texas Tribune looked at this issue in July, 2018, and includes some polling: https://www.texastribune.org/2018/07/26/texas-legalize-marijuana-2019-legislative-session/ (Links to an external site.)
KSAT (San Antonio) has this update on the issue: https://www.ksat.com/health/medical-marijuana/what-are-the-chances-texas-will-legalize-medical-marijuana-in-2019 (Links to an external site.)
The Dallas Observer is cautiously optimistic: https://www.dallasobserver.com/news/dallas-morning-news-criticized-for-their-dangerous-words-11426770 (Links to an external site.)
A more cautious step than full legalization might be simply de-criminalizing small amounts. Here's a radio interview with a Rice University drug policy expert about that option: https://www.houstonpublicmedia.org/articles/shows/houston-matters/2018/11/28/313224/will-texas-loosen-its-marijuana-laws-in-2019/ (Links to an external site.)
What if you deposit the money from your "legal" dispensary in a bank. Can't the federal government seize it? Can state-run banks get around this problem? http://www.governing.com/week-in-finance/gov-state-run-cannabis-bank.html (Links to an external site.