best means that we have as individuals to speak up for adults and children who lack any effective platform whatsoever through which they are able to speak pourfor themselves. reporter: the 2015 report shows18 countries including cuba kenya and saudi arabia have made big improvements. however, however, 18 others have been down graded. among the biggest controversies, eechlgss for malaysia and thailand. last year they were rated tier three, the worst possible. they re both part of a widely-used people smuggling route for rohingya muslims. mass graves filled with the body the of dozens of migrants were found early this year after the report s cutoff date. similar macabre scenes were discovered in thailand.