It's not just the Russians anymore as Iranians and others turn up disinformation efforts ahead of 2020 vote.; WaPo

"Disinformation teams in Iran initially developed their tactics while manipulating domestic political conversation before gradually expanding operations to include more languages, more themes and foreign targets. Mueller warned that "many more countries" were likely to target disinformation at U.S. voters in 2020 And Iran is far from the only nation that has, within its borders, substantial capacity to wage influence operations here ahead of next year’s election. That means American voters are likely to be targeted in the coming campaign season by more foreign disinformation than ever before, say those studying such operations.The nations hosting significant disinformation capabilities typically first saw them active in seeking to manipulate domestic audiences, shaping public perceptions in line with regime propaganda. "