Mention homeless people and words like optimistic, hopeful and happy are typically not what spring to mind. More likely, said Jordan Lewis, an assistant professor in the University of Washington’s School of Social Work, the stereotypes are negative — “that they’re chronic alcoholics, depressed, they steal, they’re thieves. They don’t have hope. They’ve just given up.” But Lewis sought to find something different when he embarked on a recent research project exploring optimism among homeless Alaska Native elders in Seattle. Statistics…