useless trivia: What Word Means: A Drawback - Less By A Certain Amount?

Questions

American network ABC begins the tradition of Saturday morning kid shows.?

Francis Gary Powers convicted of spying by USSR (U-2 incident).?

Sputnik 5 carries 3 dogs into orbit (later recovered alive).?

Groucho Marx, died in Los Angeles at the age of 86.?

The crew of Soyuz 32 returns to Earth aboard Soyuz 34.?