Frontrunner Johnson refuses to say if he'll resign if he fails to deliver Brexit pledge

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In this handout image provided by ITV, a general view during the Jeremy Hunt and Boris Johnson debate Head To Head on ITV in Salford, Britain, on July 9, 2019. Conservative Party leadership front-runner Boris Johnson repeated his pledge Tuesday to being Britain out of the European Union on Oct. 31 if he wins the battle to become the next prime minister. But in a head-to-head live televised debate with his rival, Foreign Secretary Jeremy Hunt, Johnson refused to say whether he would resign if he failed, and he would not be drawn on whether he would close down the House of Commons if politicians attempt to block a no-deal departure from the European Union.? (Photo by Matt Frost/ITV via Xinhua)