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ambassador to the u.n. comes out front. and tax increase countdown. republican and democratic proposals to extend the payroll tax cut voted down today. let's go out front. i'm erin burnett. out front tonight two people dead after a shooting on the campus of virginia tech. it was a scene that was hauntingly familiar to the tragedy that riveted the nation 33 lives lost on the campus four years ago with a shooter. it began today shortly after noon when a gunman walked up to a campus police car and opened fire, killing the officer. one emotional student witnessed the policeman being gu...

some pretty deep ties with the white house? and why is it that the company with deep ties to the white house, the company that just got a big contract for a drug that's not been proven yet, why is it going to make an 85% profit on its government contract? coming up we're going to talk with a member of the company's board of directors, a familiar face here at cnn. we first got wind of this story in the "los angeles times" but since then have learned a lot more. investigator drew griffin is keeping them honest. >> reporter: it's just another good business deal for billionaire investor ...

the big contract for a drug that's not been proven yet, why is it going to make an 85% profit on its government contract? coming up, we're going to talk with a member of the company's board of directors, a familiar face here at cnn. we first got wind of this story in the "los angeles times" but since then, have learned a lot more. investigative correspondent drew griffin is keeping them honest. >> reporter: it's just another good business deal for billionaire investor and big-time democratic political supporter, ron perlman. this major political contributor to both parties but partic...

white house? and why is it that the company with deep ties to the white house, the company that just got the big contract for a drug that's not been proven yet, why is it going to make an 85% profit on its government contract? coming up, we're going to talk with a member of the company's board of directors, a familiar face here at cnn. we first got wind of this story in the "los angeles times" but since then, have learned a lot more. investigative correspondent drew griffin is keeping them honest. >> reporter: it's just another good business deal for billionaire investor and big-time...