States of the Union: Colorado

As the Democratic convention gets underway, find out about Colorado. We look at the race for Wayne Allard’s Senate seat; also, a look at why presidential polls in Colorado are virtually tied. Plus: what hosting the Democratic convention has meant within the Centennial State. Lynn Bartels is political and legislative reporter for the Rocky Mountain News.

States of the Union fact of the week: Colorado has the lowest rate of obesity in the United States.