Today in Burundi, former presidents serve in the Senate for life. In
Paraguay, ex-presidents may speak, but not vote, in the Senate. Lifetime
Senate seats for presidents were revoked in Peru (1993), Venezuela
(1999), and Chile (2005), however, as the parliamentary immunity that
protects ex-presidents from prosecution has become either less necessary
or more unseemly in Latin America. In some East Asian countries,
by contrast, concern for neutralizing former presidents has yielded
routine corruption investigations. In both Korea and Taiwan, presidents