Italian Prime Minister Silvio Berlusconi , whose country holds the rotating EU presidency , said he was prepared to call another meeting of leaders next month .
Italian Prime Minister Silvio Berlusconi , whose country holds the rotating EU presidency , said he was prepared to call another meeting of leaders next month .
Italian Prime Minister Silvio Berlusconi , chairing the summit , said he was prepared to call an extra informal meeting of leaders next month on the constitution if necessary .