President-elect Donald Trump is moving quickly to fill key spots in his incoming administration. On Friday night, he tapped campaign spokesperson Karoline Leavitt as White House press secretary, a position that is not subject to Congressional approval. But some of his other choices for Cabinet positions are — and they may face an uphill battle for confirmation.

President Joe Biden is taking part in the final major international summits of his presidency. On a six-day trip to Latin America, he will be attending meetings of the Asia-Pacific Economic Cooperation in Peru and the G20 summit in Brazil.

While on the campaign trail, President-elect Donald Trump vowed to put large tariffs on Chinese goods to protect American manufacturing, which might threaten the Asian nation’s already-slowing economy. But Chinese President Xi Jinping warned the aggressive tariff plan would be like “going back in history.”