Soon thereafter, Donald Rumsfeld (who had served in various positions in the Nixon and Ford administrations, including as President Ford's defense secretary, and at this time headed the multinational pharmaceutical company G.D. Searle & Co.) was dispatched to the Middle East as a presidential envoy. His December 1983 tour of regional capitals included Baghdad, where he was to establish "direct contact between an envoy of President Reagan and President Saddam Hussein," while emphasizing "his close relationship" with the president
. Rumsfeld met with Saddam, and the two discussed regional issues of mutual interest, shared enmity toward Iran and Syria, and the U.S.'s efforts to find alternative routes to transport Iraq's oil; its facilities in the Persian Gulf had been shut down by Iran, and Iran's ally, Syria, had cut off a pipeline that transported Iraqi oil through its territory. Rumsfeld made no reference to chemical weapons, according to detailed notes on the meeting .
Shaking Hands: Iraqi President Saddam Hussein greets Donald Rumsfeld, then special envoy of President Ronald Reagan, in Baghdad on December 20, 1983.
http://www.gwu.edu/~nsarchiv/NSAEBB/NSAEBB82/