This episode of The MacNeil/Lehrer NewsHour reports on the following major stories. The program begins by reporting on the debate on whether the United Nations should send troops to Beirut as a replacement for the multinational force stationed there. Then Judy Woodruff looks at two separate decisions made in Washington: one made approving a partnership between Toyota and General Motors, and a ruling by the Federal Communications Commission scrapping rigid requirements for childrens educational programming. Charlayne Hunter-Gault concludes the program with a report about the possibility of the Soviet Union creating colonies on planets as far as Mars.