NEW YORK — A president-elect and a Navy investigator _ one real and the other one fictional _ are ratings "sweeps" month stars at CBS.

Barack Obama's "60 Minutes" interview on Sunday was seen by 25.1 million people, the biggest audience for any prime-time network program this season, according to Nielsen Media Research. The venerable newsmagazine, which also won last week, hasn't been the nation's most popular show on back-to-back weeks since 1992-93.

Mark Harmon's Navy character on "NCIS" was basking in the glow of the show's biggest audience in its six-year history last week, 18.7 million. The show steadily built its audience during summer repeats and has kept newcomers this fall, despite tough time slot competition from "House" on Fox.

CBS averaged 12.3 million viewers last week, the biggest number for any network this season (7.7 rating, 12 share). ABC had 10.5 million (6.7, 11), NBC had 7.7 million (4.8, 8), Fox had 6.8 million (4.1, 6), the CW had 2.1 million (1.4, 2), My Network TV had 1.5 million (1.0, 2) and ION Television had 640,000 (0.4, 1).

Among the Spanish-language networks, Univision continued to dominate with a prime-time average of 4.1 million viewers (2.0 rating, 3 share), Telemundo had 1.3 million (0.6, 1), TeleFutura had 620,000 (0.3, 1) and Azteca had 170,000 (0.1, 0).

NBC's "Nightly News" topped the evening newscasts with an average of 9.3 million viewers (6.1, 12). ABC's "World News" was second with 8.9 million (6.0, 11), and the "CBS Evening News" had 6.7 million viewers (4.4, 8).

A ratings point represents 1,145,000 households, or 1 percent of the nation's estimated 114.5 million TV homes. The share is the percentage of in-use televisions tuned to a given show.

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For the week of Nov. 10-16, the top 10 shows, their networks and viewerships: "60 Minutes," CBS, 25.1 million; NFL Football: Dallas at Washington, NBC, 19.27 million; "CSI: Crime Scene Investigation," CBS, 19.05 million; "NCIS," CBS, 18.74 million; "Dancing With the Stars," ABC, 18.69 million; "Desperate Housewives," ABC, 16.84 million; "Dancing With the Stars Results," ABC, 16.52 million; "The Mentalist," CBS, 16.52 million; "Country Music Association Awards," ABC, 15.91 million; "Grey's Anatomy," ABC, 14.9 million.

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ABC is owned by The Walt Disney Co. CBS is owned by CBS Corp. CW is a joint venture of Warner Bros. Entertainment and CBS Corp. Fox and My Network TV are units of News Corp. NBC and Telemundo are owned by General Electric Co. ION Television is owned by ION Media Networks. TeleFutura is a division of Univision. Azteca America is a wholly owned subsidiary of TV Azteca S.A. de C.V.

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