Sat 11 Nov 2002River of shallow discontent has burst its banksRighteous indignation and outrage: RIO. After the Estimates, there is more RIO washing around than there are floodwaters. Much of it is justified. It is righteous indignation, after all, which by definition must be outrage at some just cause, writes Breda O'BrienOnly, we seem to specialise in outrage, but not much else. We muster the same levels of RIO at the fate of trees in O'Connell Street as we do at the fact that schoolchildren will continue to be educated in rat-infested schools, or that elderly people will go on lying on trolleys in hospital corridors.