Bernardo Arevalo is due to be sworn in on Sunday as Guatemala's president after warding off months of judicial machinations to block him from office after his vow to clamp down on deep-rooted corruption.
The 65-year-old lawmaker, ex-diplomat and sociologist pulled off a major upset when he swept from obscurity to win elections last August, firing up voters weary of graft in one of Latin America's poorest nations.
