Legal blogs about a state's laws may be found on Justia's Blawg Directory and ABA Journal'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.).