The measure is expected to stop the practice of green card holders sponsoring their extended families for permanent US residency, which the president calls chain migration. But it makes an exception for American citizens' spouses and unmarried children under the age of 21. ... Also exempt are the hundreds of thousands of green card applicants already living and working in the US, and those seeking entry to work as doctors, nurses or other healthcare professionals. Another exception is the hundreds of thousands of temporary guest visas issued each year to such applicants as farm labourers and skilled workers in the H-1B visa programme.
A look at online conservatives suggests they think he's completely suspended immigration as promised. Leave them to their bliss.