Barr asks US Attorney John Bash to review 'unmasking' before and after 2016 election, DOJ tells Fox News

https://www.foxnews.com/politics/barr-asks-us-attorney-john-bash-to-review-unmasking-before-and-after-2016-election-doj-tells-fox-news

I don't understand, shouldn't this have been done a long long time ago? Why is Barr just asking for it now? He's looking more like a swamp creature.