SHARYL ATTKISSON: Whatever happened to the ‘unmaskings’ probe?

Every day brings new stories about Russian interference in the 2016 election, whether Donald Trump played a role, and alleged abuses by our intelligence agencies.

One of the deepest, darkest, most important issues in the whole mess has to do with the massive number of “unmaskings” of U.S. citizens. It potentially opens a can of worms squirmier than many other issues.

Indeed it does.