An American student went to Moscow on students- exchange programme. He wrote his first letter to his mother at California. “ My roommates , both Americans, say that every word and action of us are being watched by spies of the government here. Even this letter will be intercepted and read by the government. So we must be very careful in writing letters to each other also. However I am doing well , and I will join the class tomorrow. I will write to you more in my next letter. Bye. “ Your affectionate son, Samuel. -------------------------------------------------------- Two days after this,. Samuel received a big cover from a government office in Moscow. Samuel opened the cover and read the letter from the government. : “ Sir , You seem to have a very bad opinion about our country. We never intercept or screen any communication. We humbly request you to kindly change your opinion about our country . However your letter to your mother at California is enclosed herewith. Thanking you, …………… “