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- Trump-era NatSec adviser John Bolton said his former boss is considered an "easy mark" by US rivals.
- Both Beijing and the Kremlin would celebrate if Trump were re-elected, Bolton said.
- Bolton told MSNBC that Trump had already fallen for one of Vladimir Putin's ploys this month.
Trump-administration national security advisor John Bolton issued a scathing assessment of former President Donald Trump's potential on the world stage, saying both Beijing and Moscow believe they can easily take advantage of the US with his ex-boss back in power.