alexander betts, thank you so much. >> and that's it for our program tonight.tching "amanpour on pbs" and join us again tomorrow night. katty: you are watching "beyond 100 days" on pbs. british authorities struggle to reassure the public after two more people are poisoned by a nerve agent. christian: they can't explain how traces of novichok are still being found in amesbury. katty: the u.k. is pointing the finger at russia, but moscow still says it has nothing to do with any of this. the prime minister is pushing back on suggestions that her new customs proposal would prevent britain from making a trade deal with america after brexit. christian: president trump is brimming with optimism when it comes to north korea. now it is the turn of mike pompeo to turn the promises into a