Legal blogs about a state's laws may be found on Justia's Blawg Directory.
Check the CALI Lesson on Texas's secondary sources to find more legal research resources.
Texas Legal Resources at Tarlton: General Secondary Sources (Univ. Tex. Austin).
Texas Legal Research Materials (Tex. Tech. Univ. L. Libr.)
Legal Research Resources for Beginners: Secondary Sources (Tex. State L. Libr.).