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bo. we're like best friends. >> reporter: best friends now back together, thanks only to bear's chip. >> it's the best $18 i've ever spent. >> reporter: diana alvear, abc news, los angeles amazing. those microchips have reunited a lot of families with their lost pets. >> i didn't realize they were that effective. they said about 25 bucks, that's a good deal. we joked in the beginning. you're a dog lover. i'm not a pet person. >> we're going to try to convert him. we'll bring on you board. >> good luck with that. you. yeah, you have to get a dog. we'll try toh@h@h@h@h@h@h@h@h@hx >>> making news on this presidents' day monday. >> deadly crackdown on libyans fighting for democracy. hundreds gunned down. we're live. >>> blizzard warning, the latest monster snowstorm impacting two dozen states and snarling travel this morning nationwide. >>> and what's age got to do with it? a nascar rookie wins big, while an nba veteran outscores the sport's youngest stars. >>> good morning, i'm peggy bunker. >> and i'm rob nelson. good morning, everyone. the demand for change is now spreading across the arab world has thousands of demonstrators rally for reform. >> here's the latest. a sho