PROVIDENCE, R.I. — Rhode Island's unemployment rate in January was 4.5 percent, unchanged from the revised rate for December, the Department of Labor and Training announce Thursday afternoon.The total number of jobs in the state in January was 497,700, down slightly from the revised December figure of 497,900.Both measures showed modest improvement from January 2017, when the unemployment rate was 4.6 percent and the total number of jobs was 491,600.The January [...]