A former New York City resident who killed two people and wounded 14 others at a packed Austin, Texas, bar was possibly motivated by the US attacks on Iran, sources told The Post. The FBI is investigating the shooting as a possible ideologically motivated act of terrorism, the sources said. The killer, who is a US citizen from Senegal, had a Quran in his car and clothing described as Islamic garb when he opened fire on Buford’s Backyard Beer Garden near the University of Texas-Austin campus, according to sources familiar with the investigation. The gunman has a history of arrests...