When a Donald Trump look-alike and a faux Caitlyn Jenner ring the doorbell on Halloween night, they may solicit a piece of candy but the treat they really seek is recognition. Pop culture experts say these ripped from the headlines costumes to celebrate the Oct. 31 holiday - such as El Chapo the fugitive Mexican cartel kingpin or Left Shark from pop star Katy Perrys Super Bowl halftime show - are a way for adults to connect in a world splintered by a myriad of choices for information and entertainment. \r
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