Japan formally proclaimed Crown Prince Akishino, the Emperor's younger brother, as the first in line as heir to the throne at a ceremony over the weekend. Under Japanese law, only males can inherit the throne - meaning Emperor Naruhito's only child, 18 year-old Princess Aiko, is ineligible. Debate over how to ensure a stable succession is expected to intensify. Grace Lee reports from Tokyo.
IN: Akishino…
OUT: …Tokyo.
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