kate, there was an extraordinary exchange in the briefing room between robert gibbs and a russian reporter today. tell our viewers what happened. >> reporter: sure was. wolf, clearly the tucson community and the country are trying to heal from the weekend's tragedy, the issue made for what some are describing an unusually cold waresque moment at the white house briefing today. russian prime minister vladimir putin sent his country's condolences over the tucson shooting to scott kelly, congressman gabrielle giffords' brother-in-law aboard the international space station this week. >> thank you very much. of course i will pass on your words to my brother. >> reporter: but back in washington, a chillier encounter between white house press secretary robert gibbs and russian journalist andre sittoff. >> this is america, the freedom of assembly, freedom of