Sunday on 'This Week': Kellyanne Conway, Sen. Ted Cruz, and Sen. Bernie Sanders

 -- In a Sunday exclusive, Sen. Ted Cruz, R-Texas, reacts to the death of former Cuban leader Fidel Castro and weighs in on President-elect Donald Trump's transition to the White House.

President-elect Donald Trump’s Senior Advisor Kellyanne Conway discusses the latest on the transition to the White House, Sunday on “This Week.”

Plus, Martha Raddatz goes one-on-one with Sen. Bernie Sanders on the path ahead for the Democratic Party after the election.

Then, the Powerhouse Roundtable debates the week in politics, with Washington Post chief correspondent Dan Balz, Wall Street Journal White House correspondent Carol Lee, host of "The Young Turks" Cenk Uygur, and ABC News contributor and Republican strategist and pollster Kristen Soltis Anderson.

See the whole political picture, Sunday on “This Week.”

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