The1926 United States Senate election in Arizona was held on Tuesday November 3, IncumbentRepublican Senator Ralph Cameron ran for re-election on his second term, but was defeated by incumbentDemocratic Representative Carl Hayden in the general election. Hayden was the longest-serving Senator having been re-elected to six more terms until he retired in1968. To date, this was the last time that an incumbent Senator from Arizona lost re-election to the Class 3 Senate seat in Arizona.[a]
Cameron received the support of Republican leaders but only tepid support from rank and file membership.[2] In contrast, his challenger, CongressmanCarl Hayden, in turn had a united party, the backing of labor, and the support of theWoman's Christian Temperance Union. Cameron campaigned on a message highlighting his successes during his first term.[3] Democrats countered by highlighting his inability to win a cotton tariff, showing him to be ineffective.[4]
A series of six article written by Hayden supporter Will Irwin was published by theLos Angeles Times in mid-1926. These articles examined Cameron's history with the Grand Canyon and claimed he hadsalted several claims in the canyon in order to control the valuable sites. Cameron condemned the articles' claims as "malicious fabrications" but the political damage had already been done.[4] Hayden won the election by a vote of 44,591 to 31,845.[5]
^Martha McSally lost re-election toMark Kelly in2020, but she had been appointed to the seat after the resignation ofJon Kyl, who himself was appointed to the seat after the death ofJohn McCain.
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