Features include: Anthony Mason's appreciation of rock legend Chuck Berry; Faith Salie visits Denmark, named the Happiest Country on Earth in 2016, to find out how a society's level of happiness is measured; Mo Rocca gets in the passenger seat next to legendary race car champion Mario Andretti; Serena Altschul profiles fashion designer Betsey Johnson; decluttering queen Marie Kondo gives pointers to Lucy Craft; and Martha Teichner visits the Ballymaloe Cookery School in County Cork for some time in the kitchen with Irish chef Darina Allen.