Charles Evans Hughes, Burns v. United States (287 U.S. 216…
“ While probation is a matter of grace, the probationer is entitled to fair treatment, and is not to be made the victim of whim or caprice.Second. Applying these principles, it is apparent that the instant case has the peculiar feature that the probationer was actually serving a jail sentence while on probation with respect to another sentence. But, even in jail, he was subject to the conditions of the probation. ”
