Po-tay-to. Po-tah-to.
Either way, incarceration is not a sufficient motivation to compel her to divulge her source. She is being well compensated for her inconvenience by her Big Media masters. Moreover, she will use her time behind bars to her advantage; it is definitely raising her star among her socialist Big Media brethren.
Even if she gets sent to full-on federal shower rape prison, her Big Media masters will simply up her compensation for her additional inconvenience.
As long as she is backed by a wealthy media corporation, incarceration is not a sufficient compulsion to to reveal her source. The only way to hit large corporations is through their pocketbook. Someone here mentioned simple $1000 fine that doubles every day she withholds her source's identity. After 30 days, that would grow to over a trillion dollars. No corporation is wealthy enough to bankroll that.
Okey dokey, if you think so.