MLBWorld Series champion Cubs visit White HousePresident Obama poses with with the World Series champion Cubs.Yuri Gripas, AFP/Getty ImagesPresident Obama walks with Cubs co-owner Laura Ricketts as he arrives to welcome the World Champion Chicago Cubs.Yuri Gripas, AFP/Getty ImagesHall of Famer (L-R) Ferguson Jenkins, Billy Williams and Ryne Sandburg attend the White House celebration with the Cubs.Chip Somodevilla, Getty ImagesPresident Obama shakes hands with Cubs 1B Anthony Rizzo during a ceremony in the East Room of the White House.Pablo Martinez Monsivais, APPresident Obama holds up a personalized Chicago Cubs jersey presented to him by Anthony Rizzo.Pablo Martinez Monsivais, APPresident Obama holds a gift "W" flag at a ceremony honoring the 2016 World Series Champion Chicago Cubs.Geoff Burke, USA TODAY SportsPresident Obama is given a lifetime ticket to Cubs games at Wrigley Field.Pablo Martinez Monsivais, APPresident Obama addresses the Cubs during a ceremony in the East Room of the White HouseCarolyn Kaster, APCubs team president Theo Epstein speaks as President Obama listens at a ceremony honoring the 2016 World Series Champion Cubs.Geoff Burke, USA TODAY SportsThe Cubs visit President Obama at the White House.Pablo Martinez Monsivais, APCubs fan Melanie Zanona displays a W flag on the White House grounds."Adam Woodward, USA TODAY Sports