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Astrid Stawiarz, Getty Images Josh Hartnett has the cutest traveling companion. The hunky star was recently caught going through security at LAX with his furry new friend. We wouldn't blame TSA for giving the puppy a bit of a pat-down. One Chicago police officer's retirement was slightly overshadowed by the retirement of her short, hairy partner. Sandra La Porta gave 31 years to the job, but her partner, a police dog named Lakos, put in 63... in dog years. Plus, Lakos brought a rubber bone to the ceremony. No one can compete with that. Old dogs might provide insight into new tricks to improve human health. Purdue University is studying some unusually old rottweilers that have dodged ...