The chair of the Senate Intelligence Committee who has cosponsored legislation to give the Biden administration new powers to ban Chinese-owned TikTok said on Monday that lawmakers are considering changes to address concerns about the proposal. Democratic Senator Mark Warner told Reuters that aggressive lobbying by TikTok against the Restrict Act "slowed a bit of our momentum" after it was introduced in March. Warner said lawmakers have "a proposal on a series of amendments to make it explicitly clear" and address criticisms, including that individual Americans could be impacted or that the bill represents a broad expansion of government power....