Who's C. Clark Kissinger? Here you go...
Here's the RCP: http://www.networksolutions.com/whois/results.jhtml;jsessionid=24XA1VKRJBKCQCWKEAQCFEY?whoistoken=3&imageKeyPage=/whois/entry.jhtml&_requestid=2017268
Page down a bit and you can see it's C. Clark Kissinger.
People won't come and march for the RCP, so they hide behind a front group. What else is a lie in their message?
New York ANSWER backed it too, which means the Workers World Party and Party for Socialism and Liberation were there.
Crypto-Communists!