By Sharon Bernstein SACRAMENTO, Calif. (Reuters) – Abortion providers in liberal states are expanding clinics, training more staff and boosting travel assistance to prepare for an influx of patients from conservative states if the U.S. Supreme Court ends the constitutional right to the procedure. Planned Parenthood is enlarging several clinics in California and has purchased land to build a bigger clinic in Reno, Nevada. In Illinois, abortion providers have set up a logistics center to help make medical care arrangements for women from states where abortion is expected to be restricted. Clinic…