Former Vice President Dick Cheney's daughter Mary has married her longtime partner Heather Poe in Washington, D.C. -- according to family spokesperson Kara Ahern.

On Facebook, Mary Cheney posted: "Very happy to announce that as of this morning, Heather and I are legally married (at least in DC). 20 years to the day after our first date."

Mike Emanuel currently serves as chief congressional correspondent for FOX News Channel (FNC). He joined FNC in 1997 as a Los Angeles-based correspondent.