Arizona's nationally watched Senate race between Republican incumbent Sen. Martha McSally and Democratic challenger Mark Kelly has become one of the battleground state's costliest campaigns.
By the end of September -- before the two squared off in their first and only debate -- McSally had raised $50.9 million and Kelly raised $82.8 million, according to Federal Election Commission filings posted on Monday.
That's a total of more than $130 million, which Cronkite News and CNN have reported positions the race as one of Arizona's most expensive ever.There are now just two weeks until Election Day, and early voting began in the Copper State on Oct.
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