New York Times: Most nuclear reactors in the United States rely on a type of lithium that is produced only by China and Russia, and the supply may be drying up, according to a study to be released on Wednesday. The Government Accountability Office said the looming shortage of a material critical to the operation of 65 out of 100 American nuclear reactors places their ability to continue to provide electricity at some risk, a conclusion echoed by outside experts. The problem reflects the withering away of the...