Onekeylineof inquiry into the motives behind the attack will be a six-month trip made by Tamerlan Tsarnaev to Dagestan in the Russian Caucasus in 2012.
What we're seeing on the ground near Kalak today, which is a couple of hours away by car from my location, is a further degradation of Iraq's front line defenses around oneof two key northern cities, Mosul.
Oneof Burns' key sparring partners is Commonwealth featherweight champion John Simpson, who will put his title on the line against Liverpool's Stephen Smith on the undercard.