Talk talk = Talk.findById(sessionId);
notFoundIfNull(talk);
checkReadAccess(talk);
PlanedSlot planedSlot = PlanedSlot.forTalkOn(talk, ConferenceEvent.CURRENT);
Slot slot = planedSlot != null ? planedSlot.slot : null;
List<Member> voters = Vote.findVotersBySession(talk);
Collections.shuffle(voters);
// Don't count look when coming from internal redirect