The new Iraqi Council of Representatives on Sunday opened with a heated inaugural session, three tense months after legislative elections won by Shiite cleric Moqtada al-Sadr, the likely kingmaker of the next government. Al-Sadr, 47, who once led an anti-US militia and who has a large following, is expected to have the key say in who is to serve as the next prime minister, a post held by Mustafa al-Kadhemi. Sunday saw the swearing in of the 329 members of the unicameral parliament and the re-election of Iraqi Representative Mohammed al-Halbousi, who is Sunni, as speaker. However, a dispute broke out between lawmakers