♪ ♪ captioning sponsored by cbs >> pelley: chrysler's big dodge. the u.s. accuses fiat-chrysler of planting secret software in thousands of vehicles to cheat on clean air laws. also tonight, investigating the investigator. a government watchdog will look f to the f.b.i. director's handling of the clinton emails. o ar and uncertainty as congress takes the first step to repeal obamacare. >> should i lose my health care, i would literally be plunged back into darkness, literally. >> pelley: surprise at the white house, an unprecedented honor for the vice president. >> this also gives the internet one last chance to-- ( laughter ) talk about our bromance.