Yes, Clinton and Gore did abandon airport security planning for sake of campaign cash. But worse, they concealed the real cause of the crash, in no small part to justify that abandonment.
In fact, on the same day in September of 1996 that Al Gore sent the airline's lobbyist a letter signaling his intent to roll over, the National Transportation Safety Board reversed its spin and all but ruled out a bomb or missile strike [on TWA 800].