> Ebeling helped assemble the data that demonstrated the risk. Boisjoly argued for a launch delay. At first, the Thiokol executives agreed and said they wouldn'

> Ebeling helped assemble the data that demonstrated the risk. Boisjoly argued for a launch delay. At first, the Thiokol executives agreed and said they wouldn't approve the launch. > "My God, Thiokol," responded Lawrence Mulloy of NASA's Marshall Spaceflight Center. "When do you want me to launch? Next April?" > Despite hours of argument and reams of data, the Thiokol executives relented. McDonald says the data were absolutely clear, but politics and pressure interfered. I'd put it more on NASA, if that is accurate. Not entirely, but more.