Campaigning began Tuesday for the Oct. 22 House of Representatives election, pitting the ruling coalition led by Prime Minister Shinzo Abe against a recently reorganized opposition lineup including Tokyo Gov. Yuriko Koike's Party of Hope.Reforms have shrunk the lower house by 10 seats to a postwar low of 465. Abe has said he will resign if his Liberal Democratic Party and its smaller coalition partner Komeito do not win an overall majority with a combined 233 seats.When he dissolved the lower house on Sept. 28, Abe said he needed to get a fresh mandate for his administration's handling of h…READ FULL ARTICLE