Joanna Stern takes one of the viral dancing humanoid robots home

They're here. Chinese robots in America, in our streets, and maybe our homes. >> Oh, hi.Welcome. Thanks for coming. Come on in.Make yourself at home. >> Okay, maybe not yet. These robots are being imported by the thousands to this warehouse in Long Island, New York.Is there any fear that data from that robot is going back to China. >> There's definitely a fear. But unlike Chinese smartphones and electric vehicles, which are basically banned here, these robots are walking right on in, or should I say dancing ...