In the season 11 premiere, Murphy Brown reacts to son Avery's news, moving back to Washington. She called him her 28 year old son, however, Avery was born at the end of Season 4, in May of 1992, which would make him 26 years old.
When Frank, Murphy, and Corky are at the coffee shop in the opening, Frank's beer glass keeps changing level of beer and foam.
Murphy talks about the first, second and third Muslim bans in a scene set at the beginning of the Trump administration. The third ban was issued in September 2017, well into the administration.