Texas has sent Joe Biden yet another message urging the US President to reinforce border razor fencing during an ongoing row about “sovereign authority”. Governor Greg Abbott highlighted how the Lone Star State is reinforcing barriers in a key border crossing area on Monday. He also pledged to exercise Texas’ “sovereign authority” as Washington DC and Austin continue to battle over border enforcement. Abbott posted an image of Texas National Guard personnel reinforcing border barriers in El Paso, including razor wire. The area has witnessed a surge in the number of migrants crossing the border…