U.S. Secretary of State Rex Tillerson said Wednesday increased evidence showing Syrian leader Bashar al-Assad's regime has engaged in war crimes could reach the threshold needed to bring a case against him."As time goes by, and more and more evidence continues to be gathered, it is possible that the threshold necessary to charge individuals, including Bashar al-Assad, may be achieved," Tillerson said at a joint news conference with Russian Foreign Minister Sergey Lavrov after their meeting in Moscow.Tillerson said the United States has "very firm and high confidence in our conclusions" that…READ FULL ARTICLE