06/19/2010 05:12 am ET Updated May 25, 2011

Lieberman's Committee SUBPOENAS Obama Administration Over Fort Hood Shooting, Alleging Cover-Up

Sen. Joe Lieberman (I-Conn.) on Monday issued the first congressional subpoena of the Obama administration.

It's rare for Congress to subpoena an administration controlled by the same party and, in doing so, Lieberman followed through on a threat he made last week. The senator, an Independent who caucuses with Democrats, has increasingly become a thorn in the side of the administration.

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