Musk recently has broken with the president regarding tariffs, but he saved his anger for Peter Navarro, who started the feud Monday by referring to Musk as “a car assembler” who wants “the cheap ...

Dr. Peter Marks, a veteran of the agency, wrote that undermining confidence in vaccines is irresponsible and a danger to public health. By Christina Jewett Sheryl Gay Stolberg and Noah Weiland The ...