President Donald Trump has authorized the deployment of federalized troops to several blue states, and their governors are pushing back. Trump’s economic advisor warns the consequences of prolonging the shutdown will be steep. We outline what Hamas wants in the Gaza ceasefire talks underway in Cairo. An AI chip giant is making moves to dominate the trillion-dollar field. Plus, the winners of the Nobel prize in medicine may have found new treatments for autoimmune diseases, cancer and organ transplant success.