Migrants hold mass wedding near border

TIJUANA, Mexico (Reuters) - Nearly 600 Mexican couples tied the knot in a mass Valentine's Day wedding by the U.S. border on Thursday, many of them undocumented migrants who met while working illegally in the United States.As a live band blasted out sugary Mexican love songs in the border city of Tijuana, a short walk from the busy San Ysidro crossing into California, a judge simultaneously