0 were african-americans, 24 were justified. 76 white people have used it, 40 justified, according to the stats, a smaller percentage than the african-americans. a man in washington state accused of illegally discharging his shotgun is using a new legal technique, henceforth known as the biden defense, koin tv says jeffrey martin pled not guilty saying he was following the vice president's advice from last february when he thought he heard prowlers. >> if you want to protect yourself, get a double barrel shotgun, have the shells of 12 gauge shotgun, and i promise you as i told my wife, we live in an area that's wooded and somewhat secluded. said jill, if there's ever a problem, just walk out on the balcony here, walk out, put that double barrel shotgun, fire two blasts outside the house. >> according to koin, sheriff's deputies pointed out that biden notwithstanding, it is against the law to fire off a gun in nonself defense situations in washington state. the president's pick to represent this country at the united nations says the u.n. has done a disgraceful job in the syrian conflict, but samantha power found herself playing defense. jennifer griffin has the story from the pentagon. >> reporter: in her first heavy diplomatic lift, the president's pick for u.n. ambassador brought her four-year-old son to the hearing, hoping they wouldn't question her on her record. >> were you advocated the mammoth protection force to impose solution to the arab conflict? >> i disassociated myself from those comments many times. >> reporter: she went out of the way to talk about her support for israel. >> as i have done as president obama's u.n. adviser, i will stand up for israel and work tirelessly to defend it. >> reporter: she had to defend an article written in the new republic in which she suggested instituting a doctrine of mea culpa would enhance our credibility showing that american decision makers do not endorse the sins of their predecessors. >> we have nothing to apologize for. >> you don't have any in mind that we committed or sponsored. >> i will not apologize for america. i will stand proudly if confirmed behind the u.s. placards. >> i understand, do you believe the united states committed or sponsored crimes? >> i believe the united states is the greatest country on earth, i really do. >> so your answer to whether we committed crimes is united states is the greatest country on earth. >> we see failure of the u.n. council for the slaughter in syria. a disgrace history will judge harshly. >> reporter: democrats and republicans are blocking military aid to the syrian rebels promised by the white house, fearing the ill conceived program will result in weapons being provided to al qaeda. >> the president needs to make judgments when to use military force on the basis of u.s. national interest. what we found in history, there are times we have to work outside the security council. >> reporter: she won a pulitzer prize about genocide. she wanted them to intervene in rwanda and wanted them to help with moammar gadhafi. >> reporter: how to deter genocide while the u.s. stayed on the sidelines in syria as more than 100,000 have been killed in two years. >> jennifer griffin at the pentagon. thank you. the oldest daughter of the prior vice president wants to be part of a new generation in washington. carl cameron tells us the wyoming senate primary could come down to who can appear to be the most conservative. >> reporter: liz cheney, daughter of dick cheney, kicked off a major bat he will with the gop in wyoming with a run in the senate and attempt to oust the senior senator. >> we can no longer afford simply to go along to get along. we can't continue business as usual in washington. >> reporter: she launched her campaign with a video after moving to wyoming where her family has deep roots from virginia to plan a run. the former fox news contributor spent life in the public eye and service as a government official and pundit. one of the most low key members of the senate, enzi could be tough to beat. he was sworn in by none other than former vice president dick cheney. he was reelected twice in wyoming with three-quarters of the vote. she says it is time for someone with more backbone to stand up to democrats. >> instead of cutting deals with the president's allies, we should be opposing them every step of the way. >> reporter: he announced re-election plans closer to election day. yesterday said i intend to run for re-election in 2014. when i announce formally, i will let everyone know that date in the future. he has the support of the national republican senate or yal committee, and the backing of wyoming's other senator and house member, both of whom emphasize conservatism. >> he has a strong record of fighting for the people of wyoming, that's why i support him. >> mike enzi earned it in wyoming, putting in 18 solid years in the u.s. senate. i am a solid supporter and friend of his. >> reporter: the election is 16 months from now. this is the first time a republican primary faced a challenge erin decades. could be one of the toughest in the coming races. the irs was leaning on conservatives, was it also scrutinizing small businesses? 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