Yomiuri reported today that exit polling from Sunday's by-elections in Fukushima and Okinawa suggests showed a pronounced tendency among independents to vote for the DPJ candidates.In Okinawa, 55% of independents voted for Karimata Yoshimasa, the candidate backed by the DPJ and three other opposition parties, while 36% supported Shimajiri Aiko, backed by the LDP and …