Steve Hewlett introduces his selection of highlights from the past week on BBC radio. Programmes featured this week were: Bridging the Gap - Radio 4 The History of the World in 100 Objects - Radio 4 Overexposed - Radio 4 Taking a Stand - Radio 4 The Frost Collection - Radio 4 Travels with the Prime Minister - Radio 4 With Great Pleasure - Radio 4 Images that Changed the World - Radio 4 The Charles Paris Mysteries - Radio 4 Ken Clarke's Jazz - Radio 4 Desert Island Discs - Radio 4 Super Recognisers - Radio 4 Terezin Dreams - Radio 4 Nature - Radio 4 The Infinite Monkey Cage - Radio 4.