She should be doing hard time.

Great Question.
Maybe Congress can deposition someone other than the Clinton's, like Leah Pisar or her half brother?
That might be where you'll find insights as to why Ghislaine is treated with kid gloves, *allegedly.

https://en.wikipedia.org/wiki/Samuel_Pisar (*Source for the following in quotes."

"As the longtime lawyer and confidant of Robert Maxwell, (Ghislaine's Daddy), Pisar was possibly the last person to speak to the man ...before he apparently fell to his death from his luxury yacht in November 1991."

"In 1950, Pisar worked for the United Nations in New York and Paris. He returned to Washington in 1960 to become a member of John F. Kennedy's economic and foreign policy task force. He was also an advisor to the State Department, the Senate and House committees"

imgflip.com/i/abwi93

Same reason Hillary isn’t in one at all