(CPT21-June 19)--RETIRING--The Senate pays tribute to Allan MacEachen, who is retiring from the upper chamber, marking the end of more than 40 influential years in politics. MacEachen (centre) sits with former prime minister Pierre Trudeau (left) and Jean Chretien (right) as opposition Liberals in the House of Commons in this 1979 photo. (CP PHOT)) 1996 (Staff)