The New York Times reports the cities that received the letter were Phoenix; San Jose, Calif.; Los Angeles; Sacramento; San Diego; San Francisco; Denver; Washington; Jacksonville, Fla.; Orlando, Fla.; Miami; Atlanta; Chicago; Indianapolis; Baltimore; Detroit; Minneapolis; St. Louis; Las Vegas; New York; Boston; Rochester; Charlotte, N.C.; Columbus, Ohio; Tulsa, Okla.; Portland, Ore.; Philadelphia; Pittsburgh; Memphis; Nashville and Davidson County; Austin, Tex.; Dallas; Houston; San Antonio; and Seattle.
Pretty broad net of cities. Which would you like to see?