Data: Gallup; Chart: Avery Lotz/Axios Young Americans have a gloomier outlook on their job prospects than their older colleagues, creating a wider optimism gap than any other country surveyed by Gallup. The big picture: The very existence of that chasm between pessimistic younger Americans and more positive older people is itself an outlier, with double-digit gaps present only in five other places of the 141 polled. Elsewhere, younger people are more positive, or the generations' sentiments ar