What is the fine-grained topic of the following text: By Ayesha Rascoe and Yeganeh Torbati WASHINGTON (Reuters) – Former FBI Director James Comey will be grilled on whether President Donald Trump tried to get him to back off an investigation into alleged ties between the Trump campaign and Russia, key U.S. senators said on Sunday ahead of Comey’s testimony this week on Capitol Hill. Only return the topic.
James Comey's upcoming testimony on alleged ties between the Trump campaign and Russia.