 The NATO summit is expected to focus heavily on Ukraine. That's CBS's Cammie McCormick reporting. Columbia University has removed several deans now over controversial texts mocking anti-Semitism concerns on campus. CBS's Matt Piper. Columbia's president calls the texts unacceptable and deeply upsetting. It comes after the texts sent during a panel on Jewish campus life were exposed on a conservative website. One of the messages suggests that a panelist could have used recent campus protests as a fundraising opportunity.