In this Feb. 4, 1992 file photo, President George H. W. Bush, right, pushes the keys on a new high technology cash register under the watchful eyes of Leo Hardy, left, and Bob Graham, center, during a visit to the National Grocers Association trade show in Orlando, Florida.
In this Feb. 4, 1992 file photo, President George H. W. Bush, right, pushes the keys on a new high technology cash register under the watchful eyes of Leo Hardy, left, and Bob Graham, center, during a visit to the National Grocers Association trade show in Orlando, Florida. Barry Thumma AP
In this Feb. 4, 1992 file photo, President George H. W. Bush, right, pushes the keys on a new high technology cash register under the watchful eyes of Leo Hardy, left, and Bob Graham, center, during a visit to the National Grocers Association trade show in Orlando, Florida. Barry Thumma AP