Probably will be no more effective than the last AG, which didn't seem possible a month ago.
Apparently , they want to focus on the Don Jr meeting with the “Russians”. Apparently the “Russians” worked for fusion GPS, the Clinton oppo research firm. The did not discuss the Clinton e-mail. They did discuss the law that prohibits Russians that were involved in terrorist activity or other illegals dealings from doing business in the US. Don Jr ended the meeting before Clinton e-mails were discussed/
A good AG or his team would add these details to any report. This looks like a set up of Don Jr. by Fusion GPS.