Obama pledges to work on use of force order for Islamic State

By Steve Holland WASHINGTON (Reuters) - U.S. President Barack Obama on Tuesday pledged to work with Republican and Democratic lawmakers on a formal authorization of the use of military force against Islamic State militants after taking a go-slow approach to the topic last year. The agreement came during a White House meeting with bipartisan congressional leaders during which Obama sought to develop a better working relationship with Congress for the year after the partisan bickering that has mar