BRITISH PRIME MINISTER TONY BLAIR URGED THE WORLD FRIDAY TO BURY PAST DIFFERENCES OVER IRAQ AND SUPPORT THE COUNTRY'S NEW UNITY GOVERNMENT AS A WAY TO BOLSTER DEMOCRACY IN THE MIDDLE EAST, DPA REPORTED. IN A FOREIGN POLICY SPEECH BETWEEN MEETINGS WITH US PRESIDENT GEORGE W BUSH, BLAIR RENEWED DEMANDS FOR IRAN TO GIVE UP ITS REFUSAL TO SUSPEND URANIUM ENRICHMENT BUT INSISTED "WE SHOULD NOT IMPOSE CHANGE" IN THE ISLAMIC REPUBLIC. BLAIR SPOKE AT GEORGETOWN UNIVERSITY IN WASHINGTON THE MORNING AFTER HE AND BUSH, IN UNUSUALLY SELF-CRITICAL REMARKS AT A WHITE HOUSE NEWS CONFERENCE, ACKNOWLEDGED MISSTEPS AND POOR TACTICS IN THE AFTERMATH OF THE US-LED INVASION OF IRAQ IN 2003. BUT LIKE BUSH, HE SEEMED TO TAKE HEART FROM LAST WEEK'S FORMATION OF A NEW IRAQI UNITY GOVERNMENT. ON MONDAY, BLAIR WAS THE FIRST WESTERN LEADER TO TRAVEL TO BAGHDAD AND MEET NEW PRIME MINISTER NURI AL-MALIKI. --MORE