Rep. Kevin McCarthy, R-Calif., is seen on Capitol Hill shortly after being elected House majority leader in 2014. He's now the leading candidate to replace House Speaker John Boehner when he retires next month.
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House Speaker John Boehner of Ohio pauses during a news conference on Capitol Hill on Friday. Boehner informed fellow Republicans that he would resign from Congress at the end of October, stepping aside in the face of hardline conservative opposition that threatened an institutional crisis.