Big tech mergers from the Bush era
SIRIUS AND XM: Won approval to merge in 2008 to form the nation's only satellite radio provider. The company has an estimated 20 million subscribers.
ORACLE AND PEOPLESOFT: Won approval in 2005.
AT&T AND BELLSOUTH: Merged in 2005. AT&T now has about 78 million wireless subscribers.
VERIZON COMMUNICATIONS AND MCI: Won approval to merge in 2005. The $8.5 billion deal boosted Verizon's customer base.