Sunni

Based on the provided articles, "Sunni" refers to a political bloc within the Iraqi parliament. The Sunni bloc's significance stems from its role in the ongoing process of forming a new government in Iraq. Recent news highlights the delays in the presidential election, partly due to the need for approval from Shia and Sunni blocs for the Kurdish candidate. The election of Haybat al-Halbousi, from the Taqaddum (Progress) Party, as speaker of the new parliament is a significant development, indicating the Sunni bloc's participation in the government formation. The articles suggest that the Sunni bloc's cooperation and agreement are crucial for the stability and legitimacy of the new Iraqi government, especially amidst sectarian tensions and external pressures.