Members of Washington-area Catholic groups began the Lenten season Wednesday by smearing ashes over walkways in front of the White House as a symbol of what they called repentance for the country's involvement in the war in Iraq and the torture of Guantanamo detainees. Though the group read prayers and sang hymns over a megaphone in front of the White House gates, event organizer James Salt said the event was meant to be a symbolic gesture rather than a loud rally. “Our only hope is that you are a forgiving God and this sign of repentance will stay your hand over an evil empire,” the Rev. Joseph Nangle said as he led the ashes ceremony.