Powerful Iraqi Shia cleric Muqtada Al-Sadr on Sunday urged other factions to support a protest that has seen his supporters occupy Baghdad’s parliament in a dispute over who should name the next prime minister. Nearly 10 months after elections, the oil-rich country is still without a new government due to the repeated failure of negotiations and the en-masse resignation last month of Sadr’s bloc – the largest in parliament. Despite tear gas, water cannon and temperatures that touched 47C (116F), his followers stormed the legislature on Saturday after pulling down heavy concrete barricades on r…