Sibling of journalist gunned down 20 years ago fears Ireland is losing war against violence as election loomsLast week working-class areas of Dublin resembled Belfast during the dark years of the Troubles as armed police in body armour mounted checkpoints on roads leading into the strongholds of warring gangland figures.Now the brother of murdered investigative reporter Veronica Guerin says he believes the Irish state is losing the war it started against organised crime when his sister was killed 20 years ago.