Cities within 50 miles include Washington, D.C., (45 miles to city center).

Other problem states for Democrats include Vermont and Washington, where party leaders have failed to persuade their preferred candidates to run.

North Korea recently agreed to peace talks with the South in a format that also includes Washington and Beijing.

Secondary areas of operations include Central Oregon and western Washington.

Congress included only Washington in the annual commemoration.

Other teams with vacancies include Washington and the Charlotte expansion franchise, which is still a year away from playing.

Texas retained this idea, and it has eventually spread to other states, included Arizona, Washington, and Idaho.

The Giants have been fortunate that their recent opposition has included Houston, Washington and Cincinnati.

States where they were unknown or not present included Washington, California, Texas and Nevada.

"But from there, the epidemiological investigation becomes a tangled web of different possibilities," he said, that include Canada, Washington or other states.