AGE chews up the courage of youth and discharges it in dribbles of weakness. Playwright Frank McGuinness, formerly brave consensus outsider with Observe the Sons of Ulster Marching Towards the Somme (1985) has become timid consensus insider with his new adaptation of the Greek drama Hecuba. McGuinness told the Daily Telegraph last Monday that he saw comparisons between Agamemnon's declaration, "We can go home now - the war is over", with George W Bush's "ludicrous"'Mission accomplished' speech - "when it clearly was not accomplished," rebellious Frank pointed out. How fresh. How gutsy. But, really - how can he bear being...