A California Democrat’s staffer has been arrested by federal immigration authorities in Las Vegas, according to the Department of Homeland Security. Former KTSF news anchor Ho-Yin Mo, who now works for California Assemblywoman Catherine Stefani, was taken into custody Thursday at Harry Reid International Airport, the DailyMail reported. “On January 13, 2020, Mo lawfully entered the U.S. on a temporary basis but illegally overstayed his welcome by failing to depart by May 15, 2020,” DHS told the Post. “Work authorization or a pending application do NOT confer legal status in the United States.” Stefani’s office did not return the Post’s...