1989: Day by Day

Sir John Tusa looks back at the events making the news 20 years ago. Bulldozers tear down sections of the Berlin Wall to make more crossing points; 129 are injured in a riot between police and protestors in Moldavia and Moscow sends in the troops to enforce calm; reformist foreign secretary Petur Mladenov is sworn in as the new leader of Bulgaria. A Somethin' Else production for BBC Radio 4.