Meredith Vieira has spent her last morning hosting TV’s most-watched morning show. The popular “Today” co-anchor ended her five-year run on Wednesday, telling viewers her decision to go is “right, but it’s hard.” That decision was clearly hers alone. Seated beside co-host Matt Lauer, she has helped keep “Today” the audience front-runner among network morning shows. The 57-year-old Vieira has explained she wants to spend more time with her family. Lauer called Vieira’s final day “a very bittersweet Wednesday morning. Vieira wiped her eyes as she was serenaded by Carole King with a Vieira favorite, “You’ve Got a Friend.” Meredith Vieira debuted as Lauer’s “Today” partner in September 2006. Vieira’s predecessor, Katie Couric, on Monday announced she would be going to ABC, where she will report for the news division and, next year, launch a syndicated talk show.… Mel Gibson‘s ex-girlfriend has asked an appeals court to disqualify the Oscar winner’s attorneys handling a bitter custody dispute because she consulted with one of their partners in a paternity dispute with another actor. Attorneys for Oksana Grigorieva asked the California 2nd District Court of Appeal to intervene in the case on Monday. They sought to either disqualify Gibson’s attorneys or require a judge hearing the case to review records of the Russian musician’s dealings with the firm. Grigorieva met with a partner in the firm of Kolodny and Anteau in 2008 at Gibson’s suggestion, while she was dealing with custody issues involving her son with British actor Timothy Dalton, according to court filings. The appeal said Gibson’s attorneys sought records of the dispute with Dalton, including emails, text messages and other correspondence between the former couple. Dalton played James Bond in two films in the late 1980s.