They’re getting in the game. Unglamorous and typically overshadowed by flashier races, these state contests could tip America’s balance of power. Secretaries of state have sway in setting election rules, allowing them to purge voter rolls, investigate fraud, allocate resources to polling places and redraw district lines after a census. Republicans have long been paying attention: They control the post in 30 states, leaving Democrats playing catch-up. Now secretary of state candidates are attracting millions in fundraising, and with razor-thin margins in some states, the winners could change history.