The chances of postal legislation clearing Congress this year are now zero following the House of Representatives’ abrupt decision to quit town Thursday night. A band of five retired and current postal workers nonetheless is nonetheless persevering in a hunger strike as scheduled through Saturday. “We’re maintaining our guard,” Jamie Partridge, a retired city letter carrier from Portland, Oregon, said in a phone interview this morning. The group, encamped on the National Mall in downtown Washington, began the six-day fast at 9 a.m. Monday to protest efforts to end most Saturday mail delivery; they will keep going on until tomorrow…