President Donald Trump unveils $90 billion in AI and energy investments for Pennsylvania. How is it set to impact the Rust Belt state, and what does Trump say about the AI arms race between the United States and China? Trump sends another warning, urging Russia to strike a peace deal within 50 days. What do Trump and the head of NATO say about possible consequences for Russia and its allies? Former national security adviser Mike Waltz is pressed Tuesday by senators during his confirmation hearing to become the next U.S. ambassador to the United Nations. What would he bring to the role? What are the key takeaways, including Waltz's plan to counter the Chinese regime's influence on the global body? Amid layoffs at the State Department, members of Congress probe the department’s overhaul—made possible by a recent Supreme Court decision. Parents of vaccine-injured children tell their stories before the U.S. Senate.