https://talkingpointsmemo.com/livewire/mueller-russia-probe-investigating-2016-cleveland-republican-convention
"Sessions’ meetings with Kislyak have created problems for him before, after he initially failed to disclose them when asked by former Sen. Al Franken (D-MN) if he was aware of any contacts between the Trump campaign and Russian officials during the attorney general’s January 2017 confirmation hearing. The revelation of those meetings by the Washington Post a couple months later forced Sessions to recuse himself from the Russia probe, leading to Deputy Attorney General Rod Rosenstein taking over the investigation and appointing Mueller as special prosecutor."
