Unrelenting water imperils Puerto Ricans
Puerto Rico Hurricane Maria (Screen Capture)

LOIZA, Puerto Rico—Spend a day wending down unpredictable country roads outside San Juan and the hurt Hurricane Maria inflicted on Puerto Rico becomes crushingly evident. Maria drenched town after town east of the capital, dumping so much water that people who had already lost their roofs to the Category 4 storm's winds, and then saw their…