A US Army unit is offering its troops a special bonus if they re-enlist soon: four extra days off timed around the November release of the video game Grand Theft Auto VI.Commanders of the 9th Brigade Engineer Battalion based at Fort Stewart, Georgia, believe free time to indulge in the latest entry in the Grand Theft Auto series – in which players commit carjackings, battle police in shoot-outs and attempt audacious heists – will sway some soldiers to extend their military commitments.The...