How is "Unlike formal rules, such as laws, these informal strictures do not need to be enforced because in principle, in every democracy (including illiberal ones), politicians only do what people allow them to do." said in Russian?
Эти правила, в отличие от законов, не нуждаются в укреплении, поскольку в принципе, в каждой демократии, включая ограниченную, политики делают только то, что люди позволяют им делать.

How is "Yamaguchi" said in Russian?
Ямагути

How is "It is a chamber show for a small, comfortable and intimate stage (there are just 130 seats at the Vysotsky Center)." said in Russian?
Камерный спектакль для небольшого зала (в Центре Высоцкого всего 130 мест), уютная атмосфера, ощущение близости и родства.

How is "Borlaug and the Bankers" said in Russian?

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Борлоуг и банкиры