Still getting through a Russian version. Damn, he's awesome. I have to admit it.
If he said it from scratch, right out of his brain - I take my hat off.
Stalin had all the questions provided in written form and then answered to them in a matter of days. But Russian wasn't his native language, and he learned it good enough only by 1941, his speeches at the 1937 elections were like an illiterate Georgian highlander trying to speak Russian...