Heads of state and government are typically called Mr. President or Madam Prime Minister. So when President Donald Trump used a post Thursday on his social media site to speak directly to Russia's president,

President Donald Trump called on Russian President Vladimir Putin to halt devastating missile and drone attacks on the Ukrainian capital Kyiv. "Vladimir, STOP!" Trump wrote in a Truth Social post. "Russia continues to kill people and avoid tough pressure and accountability for this,

President Donald Trump today issued a rare broadside against Russian President Vladimir Putin as he continued to try to drive both Russia and Ukraine toward ending the war. To tell the Truth: “Vladimir,