christmas day for the militia movement, overshadowing the fact it was the first day of the american revolution, battle of lexington conquered. for them it's the anniversary of branch davidian siege in 1993, which these groups see as a great call to arms against the american government. it is not a coincidence that april 19th is the day timothy mcveigh dibtly chose the day for his bombing of the murrah federal building in oklahoma city. april 19th, that's when the guest speaker is the throw bricks through office window guy at the bring your guns to washington rally. rachel maddow. a stunning report. she'll be covering the rally april 19th. she'll talk about it on her show tonight. you can watch it on msnbc 9:00 p.m. eastern time weekdays. saudi officials announce arrest will hundreds of terrorist planning a new attack.