Lost emails are a problem….
Check it out:

House Republicans are considering launching impeachment proceedings against IRS Commissioner John Koskinen or other agency officials in connection with the destruction of emails potentially tied to the scandal over Tea Party targeting.

National Review first reported that Republicans are looking at the possibility. A House oversight committee aide confirmed to FoxNews.com that the panel, led by Chairman Jason Chaffetz, R-Utah, indeed is “looking into it.”