>> and now to news in the irs scandal. >> the emails in question are lost because of a hard drive crash that is apparently unrecoverable. >> more than two years of eve males for the woman at the center of this investigation go missing. >> my computer breaks or it crashes my hard drive how does the exchange server lose all those emails? >> that's the thing, it doesn't. >> the administration and the irs have shown contempt for congress. >> you can't keep six months' worth of emilyee emails? >> well, it turns it out that lois lerner's emails may not be missing after all. for weeks insisting that the emails were lost in a computer crash. and now, suddenly, a top irs official telling congress is he uncertain whether backup tapes of those emails still exist or not. darrell issa joins us, good evening, sir nchesz good evening, greta it does appear from the interview