The dissident Alaa Abd El Fattah, a British-Egyptian dual citizen, was imprisoned for most of the past 12 years. His family waged an international campaign for his release.
The leaders of Ukraine and the United States will hold talks weeks after President Trump agreed to participate in postwar security guarantees for Ukraine.
Ahmed al-Shara has shifted shapes many times during his ascent from rebel commander to national leader. This week, he is expected to be the first Syrian president to address the U.N. General Assembly in 58 years.
The bipartisan delegation said more conversations were necessary to avoid accidental “miscalculations and misunderstandings” that could lead to conflict.