What Biden's expected Joint Chiefs pick will likely face in the Senate

Brown, who POLITICO first reported is Biden's choice to succeed Milley, is likely to survive his confirmation battle in the Democratic-led Senate. But the process probably won't go as smoothly as it did three years ago, with the four-star general potentially facing tough questions about China's possible invasion of Taiwan, the future of Ukraine's fight to repel Russia and diversity policies conservatives have derided as distracting the military from its main missions. Previous hearing room exchanges offer clues about how Brown will perform at his confirmation. By all accounts, he's a cool customer: even-tempered, serious, succinct and direct. But the…