Mark Lamb, a right-wing sheriff and an ally of former President Donald J. Trump identified for his policing of elections and his defiance of a pandemic lockdown, introduced Tuesday that he would run for Senate in Arizona subsequent 12 months, a contest that might decide management of the intently divided chamber.
Mr. Lamb, 50, grew to become the primary high-profile Republican to compete for the seat, one presently held by Senator Kyrsten Sinema, who left the Democratic Get together in December to turn into an impartial. Ms….
