to say merry christmas instead of happy holidays. >> it's my tremendous honor to finally wish america and the world a very merry christmas. >> reporter: despite the fact that president obama used the phrase repeatedly while in office. >> hello, everyone. and merry christmas. >> so merry christmas, everybody. >> merry christmas, everybody! >> trump also spent the holiday weekend lashing out again at the country's top law enforcement agency, attacking fbi deputy director andrew mccabe, former fbi director, james comey, and fbi lawyer, james baker. the president pouncing on reports that mccabe is planning to retire in march, going after the fbi deputy over donations his wife's campaign received from a super pac connected to virginia dpmgovernor terry mcauliffe, a close friend of the clintons. the president hasn't shied away from attacks on the justice department or the fbi since taking office.