Bashar al Assad's 24-year dictatorship collapsed over the weekend as rebel forces took control of the Syrian capital Damascus.   
  
Assad and his family have reportedly fled to Moscow under the protection of his long-term ally President Putin, ending a 13-year civil war that’s believed to have killed over 350,000  people. 
  
Sky’s defence analyst Prof Michael Clarke joins host Niall Paterson to explain how a mild-mannered doctor became one of the world’s deadliest dictators, and how a rebel force swept him and his Russian-backed army away in less than a week.   
 
Podcast Producer: Alex Bishop 
Editor: Philly Beaumont