Secretary of State Marco Rubio said he expressed the United States' frustration that more progress has not been made on ending the war in Ukraine in a meeting on Thursday with Russian counterpart Sergei Lavrov. "It was a frank conversation. It was an important one," Rubio said his 50-minute talks with the Russian foreign minister on the sidelines of the ASEAN foreign ministers' meeting in Malaysia. He said he expressed to Lavrov what U.S. President Donald Trump has said publicly, "that there's not been more flexibility on the Russian side to bring about an end to this conflict." The envoys'...