Yemen’s Houthi rebels said Sunday they are ready to exchange all prisoners with the Yemeni government, one day after a major prisoner swap between the two warring rivals. "We are ready to exchange all prisoners, including former Defense Minister Mahmoud al-Subaihi," rebel leader Mohamed Ali al-Houthi said on Twitter. Al-Subaihi was captured by the rebel group in March 2015. Al-Houthi called for forming an independent commission to look into what ...