Age is no excuse when it comes to adventure. Take Regina Fraser and Pat Johnson - who didn’t let retirement slow them down. They traded high power jobs for a high mileage lifestyle. The friends document their travels around the world on the public TV show the Grannies on Safari. Friday, they’re making a stop in Chicago – to bring you a whirlwind weekend. The Grannies are the guests for the final installment for The Weekly Guide. When they're not in Chicago, you can catch them on WTTW Channel 11.