out front a major terror plot on u.s. soil foiled. a senior administration official tells me this was international murder for hire. here s what we ve been told. two men charged in an alleged plot to assassinate the saudi arabian ambassador to the united states. one is a naturalized u.s. citizen in custody and identified as 56-year-old mondaysor ar bab si ar. he appeared in a courthouse this afternoon. he did not enter a plea. according to the complaint that we read, he planned for someone to kill the saudi arabian ambassador at one of his favorite restaurants in washington, d.c. he told an informant that mass casualties didn t matter, saying, if the hundred go with him, expletive, them. the plot itself is a work of intrigue. it began this spring when he met in mexico with a d.e.a. informant posing as a member of a violent drug cartel. over the next few months, he got the informant to agree to assassinate the ambassador for a fee o$1.5 million. he also wanted an attack on t