WASHINGTON — The Supreme Court won’t have far to look if it wants a personal take on the “crushing weight” of student debt that underlies the Biden administration’s college loan forgiveness plan.Justice Clarence Thomas was in his mid-40s and in his third year on the nation’s highest court when he paid off the last of his debt from his time at Yale Law School.Thomas, the court’s longest-serving justice and staunchest conservative, has been skeptical of other Biden administration …