Portugal\'s Prime Minister Pedro Passos Coelho reached an agreement Friday with his coalition partner and foreign minister Paulo Portas who earlier handed in his resignation, Passos Coelho\'s office announced, adding that details would be released Saturday. \"The prime minister today presented to the president (Anibal Cavaco Silva) a political agreement concluded with the leader of the CDS-PP,\" Portas\'s conservative party, the premier\'s press spokesman told AFP.