Native American protesters have been demonstrating against Columbus Day in Seattle for several years. Protest organizers say Columbus should not be credited with discovering the Western Hemisphere at a time when it was already inhabited. Elaine Thompson/AP hide caption

itoggle caption Elaine Thompson/AP

Seattle's government has given early approval to caps on ride-share companies such as Uber. Here, Peter Faris, whose company's drivers use Uber to find customers, holds a smartphone with the ride-sharing company's app in Washington, D.C. Paul J. Richards/AFP/Getty Images hide caption

itoggle caption Paul J. Richards/AFP/Getty Images

In this photo made with a fish-eye wide-angle lens, Bertha, the massive boring machine that is drilling a two-mile tunnel under Seattle, is shown in July before work began. The tunnel will replace a double deck highway along the downtown Seattle waterfront. Ted S. Warren/AP hide caption

itoggle caption Ted S. Warren/AP

Voters in SeaTac, Wash., have narrowly approved a measure raising the minimum wage at its international airport, officials say. But the initiative faces several challenges, including a recount. Elaine Thompson/AP hide caption

itoggle caption Elaine Thompson/AP

The line stretches down the block ahead of an event during the 2012 Seattle Science Festival. The 2013 festival runs from June 6 through June 16. Courtesy of Pacific Science Center hide caption

itoggle caption Courtesy of Pacific Science Center

A young cannabis plant at grows at The Joint Cooperative in Seattle, Washington Jan. 27. Cliff DesPeaux/Reuters/Landov hide caption

itoggle caption Cliff DesPeaux/Reuters/Landov