Sam Morris / Las Vegas Sun

Presto Change-O tosses one flying disc while keeping his eyes on an incoming one during qualifying and practice for the Purina Pro Plan Incredible Dog Challenge Western Regional Friday, March 1, 2013.

• News
• Entertainment
• Opinion
• Sports
• Politics
• Vegas INC - Business
• U.S. & World
• Today's Paper
• Jobs

Locally owned and independent since 1950; Winner of the Pulitzer Prize for Public Service, best news website in the nation & DuPont Award for broadcast journalism