and when did he know it? when did you learn about the don jr. meeting, mr. president? reporter: question two, why did paul manafort share polling data with russian konstantin kilimnik? here is the campaign chairman meeting with someone associated with russian intelligence. offering polling data. why is that being provided to the russians and why did they lie about it? did you know that paul manafort was sharing polling data from your campaign with the russian? no. i didn t know anything about it. nothing about it. reporter: question three was president trump compromised by his business dealings with russia including building a trump tower in moscow? his former lawyer and fixer, michael cohen, facing jail in just over two months, has been providing information to federal prosecutors about the trump organization. and will testify before three congressional committees this week. the man doesn t tell the truth. it s sad. that i should take responsibility for his dirty deeds.