...Didn't we go through a rabid celebration after 1998's Good Friday Agreement that the Northern Irish "troubles" were over? In the seven years since, haven't we heard more times than we can count that the IRA is making another "historic" commitment to disarmament? Britain's prime minister hailed Thursday's statement as "a step of unparalleled magnitude."... Blair must be running out of new synonyms for amazed admiration of the IRA, much as his predecessors exhausted the language of condemnation after IRA atrocities.... Protestant unionists have demanded a statement that "the war is over" since the IRA's first cease-fire in 1994. Until...