Freedom is a very dangerous thing indeed. It is so catching—like a plague—even the doctors get it. olonel Ilya Simonov tooled his Zil aircushion convertible along the edge of Red Square, turned right immediately beyond St. Basil's Cathedral, crossed the Moscow River by the Moskvocetski Bridge and debouched into the heavy, and largely automated traffic of Pyarnikskaya. At Dobryninskaya Square he turned west to Gorki Park which he paralleled on Kaluga until he reached the old baroque palace which