WASHINGTON — A signing statement attached to postal legislation by President Bush last month may have opened the way for the government to open mail without a warrant.
The White House denies any change in policy.
The law requires government agents to get warrants to open first-class letters.
But when he signed the postal act, Bush added a statement saying that his administration would construe that provision "in a manner consistent, to the maximum extent permissible, with the need to conduct searches in exigent circumstances.... "

