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What are Putin and Xi Jinping's personal positions on nuclear issues (if known).
China has been very reluctant to get involved in talks on arms control issues with the US, even on e.g., strategic stability. What can we offer that wouldn’t be unacceptable in US?
Do you see risks to Biden's DOMESTIC agenda over the next two years in lack of success across the range of nuclear challenges? That is, does failure on the nuclear front weaken him -- and strengthen Republican opponents -- domestically?
Do Russia and China work together against the US or is it more 3 competitive powers?