Republicans under pressure to call John Bolton to testify as Senate impeachment trial resumes

U.S. President Donald Trump's fellow Republicans in the U.S. Senate came under fresh pressure on Monday to allow witnesses and new documents in his impeachment trial after a news report that a former top aide, John Bolton, has written a book manuscript that undercuts Trump's versions of events in the Ukraine affair.

source https://www.cbc.ca/news/world/impeachment-trump-bolton-1.5441878?cmp=rss