The United States and its allies have imposed broad economic penalties on Russia over its war in Ukraine. As the conflict continues, experts debate whether the sanctions are working.

U.S. President Donald Trump began his second term in January vowing to swiftly end Russia's three-year-old war in Ukraine. Kelley said the first U.S. step was to put forward a pro

While world leaders bicker over the prospects for peace, the deadliest conflict in Europe since World War Two is heating up fast.