QUITO, Ecuador Mexico and Washington agreed to introduce similar legislative initiatives whereby Mexican workers who paid into Social Security in the United States will be refunded their contributions when they return to their homeland, President Vicente Fox said here Monday. "The initiatives entail the recognition of all those (Mexicans) who have worked in the United States legally or otherwise, so they will have the right to the savings they accumulated while working in the neighboring country," said Fox, who is visiting Ecuador. During a news conference with Mexican journalists accompanying him on his travels, Fox announced that he and U.S....