Of the more than four million people whose jobless benefits are going to be cut off in the next few weeks, Bre Starr will be among the first.That’s because Ms. Starr — a 34-year-old pizza delivery driver who has been out of work for more than a year — lives in Iowa, where the governor has decided to withdraw from all federal pandemic-related jobless assistance next Saturday.Iowa is one of 25 states, all led by Republicans, that have recently decided to halt some or all emergency benefits months ahead of schedule. With a Labor Department report on Friday showing that …