(Undercover agent paid $900 bribe, he testifies) In a stark piece of evidence, jurors saw a video recording Wednesday of former Milwaukee Ald. Michael McGee taking what an undercover federal agent said was $900 in cash in connection with the transfer of a liquor license. As the exchange is made, agent Dan Rabu is heard asking McGee to “remember” him when the matter comes before the Common Council. McGee’s response: “I got you.” Meanwhile, in an audio recording of an earlier meeting with Rabu, McGee declared, “I am the gatekeeper” when it comes to licensing matters in his north side...