1)'Cultural liberalism' is just attempt to divert attention from real problem like  ghetto violence,poverty, racial divide..

2)Political liberalism is a tool against evangelical communism which is gone

3)Economical 'liberalism' only benefit the top 1 %

Bottom line is the yanks want to maintain global hegemony. The roman  elite still attempted to maintain the facade of their empire  even towards its last years.

One reason the yankie 'neoliberal' elite want 'immigration reform' to let in more 3rd world immigrants is wage depression