Republican U.S. Sen. Tom Cotton talks to reporters after filing for re-election at the Arkansas state Capitol in Little Rock, Arkansas. The chairman of the Arkansas Democratic Party says there's no path for replacing the challenger to Republican Sen. Tom Cotton after the party's previous candidate abruptly dropped out following the state's filing deadline. Chairman Michael John Gray said, the party has been unable to find a way to legally replace Josh Mahony, who ended his candidacy to challenge Cotton two hours after the filing deadline passed, citing a family health concern
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