The Washington Post reports: Twitter said Thursday it had shut down 201 accounts that were tied to the same Russian operatives who posted thousands of political ads on Facebook, but the effort frustrated lawmakers who said the problem is far broader than the company appeared to know.

The company said it also found three accounts from the news site RT — which Twitter linked to the Kremlin — that spent $274,100 in ads on its platform in 2016.

Despite the disclosures, Sen. Mark Warner (D-Va.) questioned whether the company is doing enough to stop Russian operatives from using its platform to spread disinformation and division in American society.

Warner said Twitter’s presentation to a closed door meeting of Senate Intelligence Committee staffers Thursday morning was “deeply disappointing” and “inadequate on almost every level.” Twitter also made a presentation to House Intelligence Committee staffers in the afternoon. [Continue reading…]