>> reports of protestors heading towards red square, coming onto vehicles. >> in 1991, the soviet union collapsed. >> the soviet union is dead. president gorbachev accepted the inevitability, and then signed a death certificate of the soviet empire. >> ukraine declared its independence from the ussr. >> there is a new country tonight, ukraine. >> the collapse of the soviet union was a fundamental tragedy for vladimir putin, and he wants to fix it. he believes that ukraine is the country that got away, that ukraine must be re-incorporated into russia. he believes that he is correcting history, that he, himself, is an agent of history. that is a profoundly dangerous kind of person.