I would think it would be incredibly difficult, if not impossible, to tour in many parts of the world if he refuses to go to trial and they still have a warrant out for him.
6/17 - Meshuggah
6/28 - Iron Maiden - Bergen, Norway
6/29 - Blaze Bayley - Bergen, Norway
7/1 - Iron Maiden - Luxembourg
10/31 - Fleetwood Mac