Question: What channel is Muffie Cabot's son in law the chief political correspondent for?

Context paragraphs:
Tom Clark (journalist): Tom Clark is a Canadian television journalist.  He has been a substitute anchor for "CTV National News", and host of "Power Play", a political program on CTV News Channel.  He was the chief political correspondent for the Global News, and host of their political program "The West Block".

George Stephanopoulos: George Robert Stephanopoulos (born February 10, 1961) is an American journalist, political commentator and former political operative and advisor.  Stephanopoulos is currently the chief anchor and the chief political correspondent for ABC News, a co-anchor of "Good Morning America", and the host of ABC's Sunday morning "This Week".  Stephanopoulos is a regular substitute anchor for "ABC World News Tonight."

Scott Thuman: Scott Thuman is the Emmy award-winning Chief Political Correspondent for WJLA-TV, the Sinclair Broadcast Group-owned ABC affiliate in the Washington, DC television market as well as all other Sinclair owned stations in 79 television markets nationwide.  He reports nightly on the White House, Capitol Hill and international affairs including terrorism and military action.  Additionally, Thuman has emerged as the main correspondent for the Sunday morning national news program, "Full Measure" with Sharyl Attkisson broadcast in almost 40% of all television markets across the United States.  He has filed reports for the show from Lebanon, Germany, Belgium, France and the United Kingdom.  Thuman returned to his political reporting position in 2013 after a stint as co-anchor of "Good Morning Washington" and ABC7 "News at Noon.

Whitehaven (house): Whitehaven is a Clinton family-owned mansion in Washington, D.C. used by Hillary Clinton when she is in residence in the capital.  (The primary Clinton home is in Chappaqua, New York.)  Built in 1951, the Georgian-style house is located near Washington's Embassy Row.  Notable past residents have included Sir David Muirhead, Henry Brandon and Muffie Cabot.

Jake Turx: Abraham Jacob Terkeltaub is an American journalist, author, humorist, chess expert, and writer, under the pen name Turx, of political and general satire.  He is currently the senior White House correspondent, and chief political correspondent for Ami magazine.

Keith Boag: Keith Boag is a Canadian senior journalist with CBC Television.  He worked with "" as the chief political correspondent, "" and other current affairs programs, as chief political correspondent, based in Ottawa.

Ben Wright (journalist): Ben Wright is Washington Correspondent for BBC News, the main newsgathering department of the BBC, and its 24-hour television news channels BBC World News and BBC News Channel, as well as the BBC's domestic television and radio channels and the BBC World Service.  He was formerly Chief Political Correspondent for BBC Radio 4, having been appointed to the position in March 2012.  He became Washington Correspondent in December 2012.

Muffie Cabot: Mabel "Muffie" Brandon Cabot (née Hobart; born c. 1936) is an American heiress and socialite.  During the 1980s she served as social secretary to Nancy Reagan.  She is the mother of Ali Wentworth, an actress notable for her appearances on the sketch comedy "In Living Color" and who is the wife of George Stephanopoulos.

Jon Sopel: Jon Sopel (Jonathan B. Sopel, born 22 May 1959 in London, England) is a British television presenter and correspondent for the BBC's international news channel, BBC World News, currently serving as the North America Editor for the BBC.  He was previously chief political correspondent for BBC News 24, a presenter on "The Politics Show" on BBC One and the BBC News Channel; and from 2013 to 2014, the main presenter on "Global".

Jon Craig: Jon Craig (born 9 August 1957) is the Chief Political Correspondent of "Sky News", the 24-hour television news service operated by Sky Television, part of British Sky Broadcasting.  He has occupied this position since July 2006.  He is a former Political Editor of two national newspapers, the "Daily Express" and the" Sunday Express", and of BBC London, and was a lobby correspondent at Westminster for more than 30 years.

Supporting paragraphs: Muffie Cabot George Stephanopoulos
Answer: ABC News