With his typical showmanship and a hint of the absurd, Donald Trump promised Thursday to forgo an independent bid for the White House if he loses his quest for the Republican nomination, a move that was aimed at easing worries of the party establishment but may only serve to boost his unpredictable, rogue campaign.
Standing in the opulent and packed lobby of his Trump Tower in midtown Manhattan, Trump held up the document — which was mistakenly dated Aug. 3 instead of Sept. 3. — at a midday news conference and declared he was "pledging allegiance to the Republican Party and the conservative principles for which it stands.