CBS News — CIUDAD HIDALGO, Mexico — Despite Mexican efforts to stop them at the border, about 2,000 Central American migrants swam or rafted across a river separating that country from Guatemala, re-formed their mass caravan in Mexico and vowed to resume their journey toward the United States. Their numbers swelled to about 5,000 overnight … Continue reading Migrant caravan swells to 5,000 in Mexico, with members vowing to reach U.S.