Shakespeare's Globe, LondonAchilles is a slob and Ajax is a meathead in Owen Horsley's streamlined production, which is bursting with invention and comic inversions Shakespeare's take on the Iliad is hard to categorise. Set during the doldrums of the Trojan war, seven years in, it speaks of conflict as well as of Troilus and Cressida's star-crossed love. But is this a history play highlighting the hopelessness of wa…