The biggest threat to Mr. Havel's prospects for a second term comes from Slovak nationalists.
Mr. Dubcek's forceful speech largely silenced several hundred Slovak nationalists.
While most countries reflexively resist separatists - think of Chechnya - the Czechs left the door wide open for Slovak nationalists in 1992.
Slovak nationalists, mainly in the progressive western and central Upper Hungary, joined them.
The new General Secretary had a very different perspective about nationalities and decided to rehabilitate Slovak nationalists.
Slovak nationalists have passed laws baiting ethnic Hungarians.
Looking grim and tired, he stood for a few moments at the back of the podium, as hundreds of Slovak nationalists up front heckled and threw eggs.
Hundreds of Slovak nationalists, mostly elderly, gathered outside Parliament to support the law.
He was received everywhere with great acclaim, except in Bratislava and Komarno where he was heckled by small groups of Slovak nationalists.
Isn't it time, some Slovak nationalists are asking, to take Slovakia out of Czechoslovakia?