long felt marginalized in the majority Sunni country -- have taken control of Sanaa and the northern provinces of Amran and Sadaa. But there has already been resistance to their attempted takeover of national government institutions from different groups in Yemen, particularly in the south, where there's a long-running secessionist movement, and in the oil-rich province of Marib to the east of Sanaa. This really creates a situation where even if the Houthis keep control over Sanaa, they have little chance of taking control of the whole country, said Al Rowas. We expect to see armed resistance. It's possible that Hadi, himself a southerner, could rescind his resignation and put a Gulf Cooperation Council initiative for a negotiated transition of power back on track. But that seems unlikely at present. According to the national news agency SABA, Yemen's Parliament is due to hold an extraordinary session Sunday, called by Parliament Speaker Yahya al-Rai. Analysts suggest that because there's no vice president, the speaker could be next in the line of succession, taking on the role of acting president. He's close to former President Ali Abdullah Saleh, who clung to power until being forced out by international pressure two years ago. Despite their takeover of Sanaa, it's unclear whether the Houthis really want to take charge of the country. The group more likely wanted Hadi to