TOKYO — Fumio Kishida has spent years trying to emerge from the shadow of Shinzo Abe, the former prime minister of Japan who was gunned down at a campaign rally on July 8.
Ever since both were elected in 1993 to the Diet, as Japan’s Parliament is known, Mr. Abe had been the more prominent politician. A charismatic presence, he outshone Mr. Kishida, a party stalwart who can be so stiff that