Speaker of the House John Boehner, R-Ohio, announced Friday he will resign from Congress -- his seat as well as his speakership -- at the end of October after more than 20 years on Capitol Hill. The resignation will likely see a throng of Republicans vie to replace Boehner, who in recent months has faced pressure to step down over internal GOP fighting on issues such as funding for disease research, an education bill and the possible renewal of the Export-Import Bank. Below is a list of the members most likely to replace him. 1. Kevin McCarthy, R-Calif.: McCarthy has...