Carl Sagan Lied Like a Rug

The author shows that Carl Sagan's books are full of lies. Sagan falsely claimed that the Bible says the Earth is flat. He falsely claimed that no Catholic saint ever opposed executing heretics. (I know at least two - St. Augustine of Hippo and St. Martin of Tours - specifically did.) He falsely claimed that in the Book of Genesis, God forbids Adam and Eve to have sexual intercourse with each other.
He falsely claimed that Ronald Reagan falsely claimed to have helped liberate a Nazi concentration camp. In an astonishing fit of paranoia, he once claimed that America's school board members and school superintendents have intentionally created a lousy public education system because they want the American people to be stupid so they will never think of questioning authority. Perhaps his biggest lie was his claim that we should generously fund SETI, because aliens from outer space may send us a message that will tell us how to avoid nuclear war.
The truth is that there is no way a message from aliens about political or diplomatic matters could possibly be deciphered. Neither Sagan nor anyone else has ever suggested a method for deciphering such a message.