` ` He still works long hours and stays up very , very late , '' the friend said . ` ` While he looks a lot better than he used to , '' he still does , one friend tells me . CNN 's Dan Gilgoff and Jessica Yellin contributed to this report . ` ` has to be two Bill Clintons in order to keep up the job he does , '' says David Gergen .
` ` He still works long hours and stays up very , very late , '' the friend said . ` ` While he looks a lot better than he used to , '' he still does , one friend tells me . ` ` has to be two Bill Clintons in order to keep up the job he does , '' says David Gergen .