“They shoot first and ask questions later,” said Julie Mason, who has reported on the George W. Bush and Obama White Houses for the Houston Chronicle, the Washington Examiner and Politico. In one of the e-mails that reporters have dubbed “nastygrams,” White House press secretary Jay Carney branded one of Mason’s stories “partisan, inflammatory and tendentious.” National Security Council spokesman Tommy Vietor, reacting to comments Mason made in a TV discussion, sent her an e-mail that included an animated picture of a crying mime — a visual suggestion that she was whining…

Carl Cannon, a longtime political journalist who is the Washington editor of the Web site Real Clear Politics, says he recently got zinged. After his site posted a headline and video of President Obama promoting a political fundraising raffle at the White House in June — which Republicans said could be a violation of campaign-finance law — Cannon heard about it in no uncertain terms. A deputy press official let loose “a screaming, profane diatribe that lasted two or three phone calls,” Cannon recalled. “It hurt my ear.”