How will the shocking assassination of Shinzo Abe, Japan's former and longest-serving prime minister, reshape the country and the broader region?

And will it lead to realizing Abe's unfulfilled dream of amending Japan's postwar pacifist constitution?

On GZERO World, Ian Bremmer speaks to longtime Abe adviser Tomohiko Taniguchi, who shares how he felt when he found out his close friend had died.