Andrew McCarthy had a good piece on this...
“Consequently, if unmasking was relevant to the Russia investigation, it would have been done by those three agencies. And if it had been critical to know the identities of Americans caught up in other foreign intelligence efforts, the agencies that collect the information and conduct investigations would have unmasked it. Because they are the agencies that collect and refine intelligence “products” for the rest of the “intelligence community,” they are responsible for any unmasking; and they do it under “minimization” standards that FBI Director James Comey, in recent congressional testimony, described as “obsessive” in their determination to protect the identities and privacy of Americans.
Understand: There would have been no intelligence need for Susan Rice to ask for identities to be unmasked. If there had been a real need to reveal the identities — an intelligence need based on American interests — the unmasking would have been done by the investigating agencies.”
McCarthy also said that because Rice was basically considered to be Obama's right hand, nobody at those agencies was going to refuse her request to unmask those names.
EDITED/EMPHASIS ADDED In a book written about Susan Rice, she said she routinely confers with President Barack Obama and Secretary of State Hillary Clinton before making decisions.
She also explained that “people know not to mess with me. And if they haven’t learned, and they try, then they will learn.”
Rice has said that during her now infamous Sept. 16 appearances on five Sunday television shows that she received and adhered to talking points from members of the intelligence community. (Excerpt) Read more at dailycaller.com ...