New York Times: The seasonal rains called monsoons matter enormously to human affairs, from the Indian subcontinent to the American Southwest. Getting a better understanding of the forces that will shape these features of the climate system in coming decades is a big research priority, but also a very tough challenge given the many factors in play. A group of people hold onto a rope to help them cross a street as a monsoon hits Bombay, India.Associated Press A group of people hold onto a rope to help them cross...