Purina TV Commercial, 'How Dogs Show Love' Featuring John O'Hurley

We all know that Thanksgiving is a time for gratitude, but do dogs feel thankful? John O'Hurley talks to a Purina veterinary expert about how dogs communicate gratitude and love through closeness, tail wagging, and dirty socks. Thankful dog owners can share their gratitude through social media and each post with matched a donation to the Canine Health Foundation.