On a hot Texan summer day in downtown Austin, The Dead Rabbit opened the doors to its newest bar. It’s the first premise that the Irish-led hospitality group has opened outside of New York city, where The Dead Rabbit brand first launched its modern take on the Irish pub over a decade ago. Several weeks after the official launch in Austin, workmen are still hustling and adding finishing touches when Jack McGarry, the managing director of The Dead Rabbit group, finds some time to answer a video call from the new premise in Texas’s most liberal enclave. The youngest Dead…