cbs news spoke exclusively with vitali klitschko, the former boxer now the mayor of kiev, ukraine's capitale house subpoena. he said he never saw any wrongdoing on giuliani's part and claims they never had a formal business relationship. >> he represented you in your bid for mayor. >> we're just friends. i never have a business with mr. giuliani, sorry. >> he never offered you money, you never offered him money? >> no. >> so you've never spoken about the bidens or election interference. >> never ever. >> he never asked you for help? >> no. >> the intelligence communities inspector general issued a rare statement defending the whistleblower against republicans who say the complaint had no firsthand information. the i.g. says the whistleblower had, quote, direct knowledge of certain alleged conduct. >>> in today's morning rounds, controversial new research surrounding the meat in our diets. new guidelines in the journal animals of internal medicine say you do not need to cut back on red or processed meat. researchers say there's a weak connection between meat and disease but some u.s. health