Donald Trump's former primary opponent Sen. Marco Rubio is meeting with the Senate Foreign Relations Committee Wednesday as the president-elect's secretary of state nominee.

Florida Sen. Marco Rubio on Wednesday painted a dark vision of the consequences of America's “unbalanced relationship” with China, echoing President-elect Donald Trump's anti-globalist rhetoric as he vies to be confirmed as his secretary of state.

He’s being undermined by fellow Republicans, and that’s before he shows up to lead a workforce Trump distrusts.

Marco Rubio’s confirmation hearing begins a new chapter in the political career of the 53-year-old Florida Republican, whose relationship with Trump has evolved over the last decade. Once rivals trading schoolyard insults as they campaigned for president in 2016,

Marco Rubio answers lawmaker questions on Capitol Hill to become the secretary of state under President-elect Trump’s administration.

Trump is inaugurated for a second term. Rubio said confronting China would involve building U.S. domestic industrial capacity. "If we stay on the road we're on right now, in less than 10 years, virtually everything that matters to us in life will depend on whether China will allow us to have it or not.

Rubio is seen as a steady foreign policy hand who has the confidence of Trump and Senate colleagues from both parties.

US President-elect Donald Trump’s pick for the next secretary of state has voiced the incoming administration’s strongest backing yet for the Aukus security pact, likely reassuring Australian officials who have been privately concerned at its commitment to the deal.