Yes, that's "Jim Zumbo", as in the Zumbo Affair.
Geek With A .45 is reporting that Jim has written an open letter to the US Senate in which he absolutely rebukes Sen. Carl Levin for using his now infamous "ARs are terrorist weapons" blog post to support his gun grabbing agenda.
Mr. Zumbo, welcome to the gun culture. It's good to have you with us. Stop by the house and we'll take Mr. M1 and Mr. SAR-8 out to the range and introduce you to some seriously evil not-black rifles.