Business Insider reports that Joe Biden's presidential campaign says it's limiting members' interaction with foreign officials.<br />A campaign official told Politico that President Donald Trump had created a "poisonous environment" around interacting with other countries.<br />Trump was impeached over his dealings with Ukraine, and has also faced scrutiny for his interactions with Russia and China.<br />Trump was acquitted over Ukraine in February by the Republican-controlled Senate.<br />Biden and his family have been heavily scrutinized for their relationship with China and Ukraine.
