WASHINGTON (AP) — Declaring that “American leadership is what holds the world together,” President Joe Biden argued Thursday night that the United States must deepen its support of Ukraine and Israel in the middle of two vastly different, unpredictable and bloody wars. Acknowledging that “these conflicts can seem far away,” Biden insisted in a rare Oval Office address that they remain “vital for America’s national security,” and said he will ask Congress for billions of dollars in military assistance for both countries. “History has taught us when terrorists don’t pay a price for their terror, when dictators don’t pay a...