The Presidential campaigners have scheduled these television appearances this week (all times Eastern daylight): President Bush "20/20."

All times are Eastern daylight 8 p.m. Representative Jim Kolbe of Arizona on international trade.

All times are Eastern daylight: WABC News in New York City, Channel 7, will broadcast an election special from 9 to 10 P.M.

LEAD: WASHINGTON (All times Eastern daylight) WASHINGTON (All times Eastern daylight) 9:30 A.M. Gorbachevs arrive at the White House for coffee with the Bushes.

All times are Eastern daylight 7:30 p.m. Speaker J. Dennis Hastert, the permanent chairman of the convention, opens the session.

Attacks in the Persian Gulf Approximate times are Eastern daylight.

The candidates have scheduled these television appearances (all times Eastern daylight): Gov. Bill Clinton TODAY: 2-3 P.M. C-Span.

The Presidential campaigners have scheduled these television appearances this week (all times Eastern daylight): President Bush "20/20," ABC, Friday, 10-11 P.M. (Channel 7 in New York.)

All times are Eastern daylight.

All times are Eastern daylight 8 p.m. Hector Barreto, a small-business owner in California, on the importance of providing opportunity.