By Pooja Salhotra and Madaleine RubinThe Texas TribuneEAGLE PASS — Flanked by visiting Republican governors, Gov. Greg Abbott on Sunday afternoon railed against President Joe Biden’s handling of the southern border and recommitted to defending the state from an “invasion” of migrants.Abbott has doubled down on enforcement at the border amid an escalating feud with the federal government over who controls part of the Texas-Mexico border in Eagle Pass, a town of about 29,000 residents. Although immigration law enforcement is under the jurisdiction of the federal government, Abbott claims the Biden administration has failed to enforce immigration law, leaving the ...