Guarantee? Students are one thing, but for post-docs it has always been
one year with the option to renew. Thirty yrs ago students and post-docs were considered at will temporary contingent labor. Things have not really changed? Maybe all foreign students should be required to pay up front their full tuition, 4 yrs worth, as a guarantee that they will complete their training?
Aside, Cspan had a panel of conservatives on immigration reform and a lot of them were for stapling a green card to every immigrant PhD recipient. Given the dearth of jobs, this is not in US citizen PhD holders best interests.
"You know I'm temperamental." "Yeah, 95% temper, 5% mental." - "Curly" & Moe Horwitz