Grylls, whose “Running Wild” began its second season on Nat Geo on March 29, talks about the thrill of BASE jumping, boating in for pizza and treating himself to gooey s’mores.Grylls, whose “Running Wild” began its second season on Nat Geo on March 29, talks about the thrill of BASE jumping, boating in for pizza and treating himself to gooey s’mores.Read MoreTelevision, Grylls, Bear, Running Wild (TV Program)