回复：PIJIANG兄，拜读了你的博克，受益匪浅，还有一个问题

Suggestion: 政治避难 is very difficult and if their applciations are denied, they will be deported out of US and it will affect their future entry to US (either non-immigration or immigration). So, you had better find a responsible lawyer to evalute it. Some lawyers just want money and say "Yes" to you, so be careful.