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When Iowa Republicans were divided between Theodore Roosevelt's Bull Moose Party candidacy and Republican Party nominee William Howard Taft, Connolly tied himself closely to Democratic presidential candidate Woodrow Wilson.
Theodore Roosevelt travelled through Org when he was running for president in 1912 as the Bull Moose Party candidate.
Upon defeating Democratic and Bull Moose Party challengers in the general election, Scott was immediately sworn to fill the remainder of Hubbard's term in the Sixty-second Congress.
He ran then ran for re-election as a member of the Progressive (Bull Moose) Party for the 63rd United States Congress.