Just a year after Nayib Bukele took office as President of El Salvador, killings in what used to be the "murder capital of the world" have dropped a whopping 60 percent. Should Bukele take full credit, or are there other factors at play?
Is Putin's war machine starting to crack? Poland's foreign minister Radoslaw Sikorski discusses Ukraine's battlefield gains and mounting economic pressure on Russia.
President Trump fired him after just 3 months. Now, former U.S. attorney Preet Bharara -- a man who oversaw investigations into suspected Russian organized crime -- offers his take on the Mueller investigation.