NEW: Dearborn helped plan Mayflower event that KISLYAK attended. Investigators want to know if he also arranged Sessions-Kislyak meetings.

NEW: Dearborn helped plan Mayflower event that KISLYAK attended. Investigators want to know if he also arranged Sessions-Kislyak meetings. pic.twitter.com/WPPoYuzsRA

— Marshall Cohen (@Marshall_Cohen) August 23, 2017