U.S. Attorney General Jeff Sessions, taking up an issue that has infuriated President Donald Trump, went on the attack against leaks on Friday, and said that the government was reviewing policies on compelling journalists to reveal sources. "One of the things we are doing is reviewing policies affecting media subpoenas," Sessions said as he announced administration efforts to battle what he called a "staggering number of leaks undermining the ability of our government to protect this country. We respect the important role that the press plays and will give them respect, but it is not unlimited," he said. A media subpoena is a writ compelling a journalist to testify or produce evidence, with a penalty for failure to do so.