text:  Coming up in part two of the History Hour, the massacre of students demonstrating ahead of the 1968 Olympic Games in Mexico. Also, we'll be hearing from the daughter of the inventor of the air fryer and the birth of an environmental movement in 1988 after a large ship arrived at an Italian port carrying toxic waste. The reaction was pretty violent at the start. The door of the city hall, the most important institution in a city, was burned down. First, a news summary.