How did they do it? Romney campaign explains how it kept the biggest secret in politics

(Photo: Justin Sullivan / Getty Images file)

WASHINGTON & JANESVILLE, Wisc. — Mitt Romney’s months-long vice presidential selection process came to a close one week ago in a dining room in suburban Massachusetts, where Wisconsin U.S. Rep. Paul Ryan, dressed casually to avoid detection during commercial flights, told Romney he would accept the GOP candidate’s offer to join the ticket.