https://www.whitehouse.gov/briefings-statements/white-house-framework-
immigration-reform-border-security/
Promote nuclear family migration by limiting family sponsorships to spouses
and minor children only (for both Citizens and LPRs), ending extended-family
chain migration.
这里的“LPRs”应该就是持绿卡者吧。所以应该是没有影响。