April 27, 2004 Second New York Republican to Leave CongressBy RAYMOND HERNANDEZ ASHINGTON, April 26 - Representative Jack Quinn, a six-term Republican from the Buffalo area, said on Monday he has decided not to seek re-election this year, which could potentially deal a blow to New York State's delegation in Congress.Mr. Quinn, 53, of Hamburg, is the second Republican from upstate New York to announce his intention to leave Congress at the end of the year, following the elections this fall. Amo Houghton, 77, of Corning was the first.Mr. Quinn's retirement could further erode the influence of New York's heavily...