Ch.7 ‘s Sam Champion broadcasts live today from Harlem to help promote free oral-cancer screenings taking place

tomorrow aboard the Columbia University dental van at 125th St.and Nicholas Ave. and at other locations throughout the area.Sam ‘s worked with the Oral Cancer Consortium since 1998.

And,this Saturday,Ch.7 ‘s Diana Williams anchors “Protect Our Children:Teenage Boys &The Wall of Silence “(7 p.m.),focusing on seven men who were abused as adolescents/teens.

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Hill Harper won ‘t be seen as Dr.Sheldon Hawkes on the upcoming “CSI “spinoff,”CSI: New York,”until the fall – but that doesn ‘t mean he ‘s n priest and former high school football hero in Paul Black ‘s “American Brown “with Na-

tasha Lyonne ,Michael Rapaport ,Karen Black and Ryan Kwanten .The movie premieres May 5 at the Tribeca Film Festival.

Harper will star in “CSI: New York “with Gary Sinise and Melina Kanakaredes .

– – –

Honors:Court TV chairman/ CEO Henry Schleiff and CTV anchor Nancy Grace feted tonight by The Honor

Legion of the NYPD for “their contributions to the criminal justice system.”

And tonight on CTV:”The Wrong Man:A Mother ‘s Cry ” (10 p.m.),featuring former NYPD Det.Jerry Palace as

lead investigator.

Last, but not least: – Mariska Hargitay (“SVU “),a founder of the Joyful Heart Foundation,will host Planet Impact ‘s “Volunteer Fair with a Flair “tomorrow in B ‘klyn (Williamsburg).

– Muni bond :Q104 ‘s Zach Martin joins Sirius Satellite ‘s “Hair Nation “show tomorrow (midnight-3 a.m.).He ‘ll

continue to work at Q104 producing Scottso ‘s show.

– Judge Glenda Hatchett doing an online webchat today on BET.com (4 p.m.).

– More “Sopranos “:Michael Imperioli ,Steven Schirripa chowing down at Buffa ‘s Diner (Prince St).And

Tony Lip (Carmine)at Bruce ‘s Bakery &Restaurant in Great Neck.

– Pet Peeve #48 :Using the word “flex “instead of “flexible,”as in “I ‘m flex next week.”Don ‘t.And you know

who you are.

Format header: Champion

TV Movies TV POST picks

“SEX,LIES,AND VIDEOTAPE “

(1989)12noon (FX)James Spader,Andie MacDowell.

A voyeur uses a video camera to unlock the inner

secrets of women. (2:00)5619694

“GONE WITH THE WIND “

(CC)(1939)8pm (TCM)Clark Gable,Vivien Leigh.

This Civil War romance won eight Oscars,including

Best Picture. (3:55)9681559

“MALIBU ‘S MOST WANTED “

(CC)(2003)10pm (MAX)Jamie Kennedy,Taye Diggs.The dad of a white-

rapper wannabe hates his act. (1:26)807882

10am (MAX