Officials in Las Vegas are mulling a curfew for those under the age of 21 following recent shootings and gun violence in the downtown area. Las Vegas Mayor Carolyn Goodman announced the potential curfew in a series of tweets on Tuesday, the day after a man was shot right outside the Fremont Street Experience in downtown Vegas early Monday morning, Fox5 reported. Authorities said a fight broke out between two people, one of whom fired a gun at the other. Goodman said she has already discussed the matter with with downtown Las Vegas property owners and the Las Vegas Metropolitan Police Departmen…