lost credibility. only 39% say according to a wall street journal poll. so can he fix it? president obama is bringing in two white house veterans, as he tries to turn things around, his former congressional liaison who shepherded the passage of obama care, back to steer it to success, and most notably john modes modesto, chief of staff to president clinton, who will serve as counsellor to the president? that s part of the natural transition you see on an annual basis the i would anticipate you would see more of that this year, too. reporter: a signal that more changes are to come. now some are asking, will staff changes be enough? or has the damage to the second term already been done? i think staff changes, they help change the 3450edia