BELÉN CARREÑO and AHMED ELJECHTIMI SPAIN and Morocco have agreed to set aside their differences, Spanish Prime Minister Pedro Sanchez said, as they seek to repair a relationship marked by frequent disputes over migration and territory. Sanchez was speaking at a summit in Rabat where the two countries signed as many as 20 agreements to boost trade and investment, including credit lines of up to 800 million euros ($873 million). "We have agreed on a commitment to mutual respect, whereby in our discourse and in our political practice we will avoid everything that we know offends the other party, especially regarding our…