If there were a Guinness World Record for the fastest mood switch, it would undoubtedly go to the adorable star of this clip.

He wasn't afraid to shed a tear or two. Find out what cover song Presley considered the "saddest song" he ever heard, below.

Showcase your company news with guaranteed exposure both in print and online Network with our region's hottest startups! Pittsburgh Inno presents the Startups to Watch event… The Future of Bay ...

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