Marco Rubio, once a leading China hawk who called Beijing a dangerous near-peer adversary, now occupies the role of Trump's secretary of state and national security adviser with a much softer public approach. During Trump's first China visit of the second term, Rubio accompanied the president and publicly stressed cooperation with President Xi Jinping—directly contradicting his years of condemning Beijing's human rights record.

Rubio has not abandoned his hawkish instincts entirely. He told NBC News the United States should restrict advanced semiconductor chip sales to China and refuse forced changes to Taiwan's status. But the State Department under his watch continues sanctioning Chinese companies and still holds back a $13 billion arms package Congress approved for Taiwan, per the article.

Trump himself raved about his visit, calling the trade deals "fantastic" and declaring he and Xi have become "really friendly." That contrast between Rubio's sober Taiwan warnings and his boss's effusive praise for China creates a mixed signal for businesses weighing US-China exposure.

Rubio's about-face stems from a simple realization he offered NBC: "I'm the chief diplomat of the country, and I execute on the president's foreign policy." His shift will ripple through trade negotiations and corporate risk assessments tied to US-China relations.