. "If there is no, um, public option - if one of the choices available is not keep investing in government bonds\" - that position may be a bit weaker; but if such an option is available, even if there is a penalty to sticking with that option (e.g., for every $1 you can put in a private account, you get only 75 cents to put into bonds), under Roberts' holding it is simply an exercise of the power of" . . .