Secretary of State Mike Pompeo Michael (Mike) Richard PompeoWatchdog confirms State Dept. canceled award for journalist who criticized Trump Trump's push for win with Sudan amps up pressure on Congress Putin nominated for Nobel Peace Prize MORE defended President Trump Donald John TrumpFederal prosecutor speaks out, says Barr 'has brought shame' on Justice Dept. Former Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick MORE's decision to cancel secret peace talks between the Taliban and Afghanistan, as well the invitation to a representative of the insurgent group to come to Camp David, during his appearances on all five major Sunday political talk shows.

Former South Carolina governor and congressman Mark Sanford Mark SanfordOn The Money: Business world braces for blue sweep | Federal Reserve chief to outline plans for inflation, economy | Meadows 'not optimistic' about stalemate on coronavirus deal Trump critic Sanford forms anti-debt advocacy group Republicans officially renominate Trump for president MORE also announced he will challenge Trump in the GOP primary.

Read The Hill's complete coverage below.

Pompeo: Taliban talks are dead 'for the time being' By RACHEL FRAZIN Secretary of State Mike Pompeo said Sunday that peace talks with the Taliban are dead "for the time being," after President Trump announced that he had cancelled talks with the insurgent group and Afghan government. Read the full story here

Pompeo defends Trump's invitation of Taliban to Camp David, citing 'obligation to do everything we can' By REBECCA KLAR Secretary of State Mike Pompeo on Sunday defended President Trump's decision to invite a Taliban representative to Camp David for peace talks with Afghanistan's president. Read the full story here

Castro labels Trump's canceled Taliban meeting 'another bizarre episode' By REBECCA KLAR Democratic presidential candidate Julián Castro criticized President Trump's tactics in trying to negotiate peace between the Taliban and Afghan leaders through a planned, and then canceled, secret meeting at Camp David. Read the full story here

Sanford announces challenge to Trump By RACHEL FRAZIN "I’m here to tell you now that I am going to get in," former South Carolina governor and congressman Mark Sanford said on “Fox News Sunday.” Read the full story here