A bill requiring universal background checks to purchase a firearm and faster reporting of people suffering with mental illness into a federal database was introduced Thursday in the Nevada Senate, the same day Congress began debate on bills restricting firearms.SB221, sponsored by Sen. Justin Jones, D-Las Vegas, and four other lawmakers, is the first of several bills expected this session dealing with the issue of guns and mental health in the wake of several mass shootings in the United States.The measure seeks to require universal background checks for ownership transfer of a firearm, unless the person acquiring the weapon has …