The Senate voted overwhelmingly Tuesday to move ahead with $95 billion in war aid to Ukraine, Israel and Taiwan, bringing the bill to the brink of passage after months of delays and contentious internal debate over how involved the United States should be abroad. We talk with University of Southern California professor Robert English about the aid. What began last week when students at a New York Ivy League school refused to end their protest against Israel’s war with Hamas had turned into a much larger movement by Tuesday as students across the nation set up encampments, occupied buildings and ignored demands to leave. A new robot allows doctors to produce safer and more accurate lung cancer diagnoses.