Why do some experts say that relations between the u. s. and russia are worse than they've been in decades

Tensions between Russia and the United States are probably at their lowest point since the 1973 Arab-Isreali war, Russia's UN ambassador has claimed.

Vitaly Churkin likened the situation to the October of that year, when a coalition of Russia-backed Arab states, led by Syria and Egypt, attacked areas occupied by US-backed Israel