Carolyn Kaster / APIn this Feb. 28, 2020, photo, Rep. Dina Titus, D-Nev., speaks during a House Foreign Affairs Committee hearing in Washington. By Ricardo Torres-Cortez A federal grand jury Tuesday indicted a man arrested in March for allegedly U.S. Rep. Dina Titus, according to the office of the U.S. attorney for the district of Nevada. If convicted, Louis Damato is facing up to 15 years in prison and a $500,000 fine on counts of threatening to assault and murder a public figure and interstate threats, officials said.  Damato, 47, was arrested hours after phoning in a threat to...…Carolyn Kaster / APIn this Feb. 28, 2020, photo, Rep. Dina Titus, D-Nev., speaks during a House Foreign Affairs Committee hearing in Washington. By Ricardo Torres-Cortez A federal grand jury Tuesday indicted a man arrested in March for allegedly U.S. Rep. Dina Titus, according to the office of the U.S. attorney for the district of Nevada. If convicted, Louis Damato is facing up to 15 years in prison and a $500,000 fine on counts of threatening to assault and murder a public figure and interstate threats, officials said.  Damato, 47, was arrested hours after phoning in a threat to...WW…