Paul McCartney wants to show off his hometown.  Paul says he's considering launching a sightseeing business in Liverpool.While there are companies in Liverpool that offer Beatles tours, making stops at various landmarks associated with the band, McCartney reportedly wants to show people Liverpool from his perspective.  The rocker tells the UK's "Daily Star" he has his own "magical mystery tours of the city" that follow his own "special route," and he believes "other people would love it too."  McCartney adds that it would be a way he could "give something back to the locals."