i'm shannon bream in washington. the big story today is the appearance by the g.o.p. presidential candidates before a group of jewish republicans. tonight on "special report" we will listen to some of what they said. they took out time for criticizing each other to take collective aim at president obama and his policies toward israel and iran. carl cameron has that story. the president met with canadian prime minister harper this afternoon at the white house. one of the topics, the controversial keystone xl pipeline project. this evening, wendell goler looks at what is holdi things up and how that is going over. the president continues to push for the payroll tax cut extension. mike emanuel tells us what they are doing to get it through before the current one expires. in the grapevine, why a school principal would let students shiver in the cold. "special report" from washington starts at 6:00 eastern. now back to new york and "the