Katie Couric hosts the "20/20" "news" special "Mad About Oscar" (10 p.m., ABC). This isn't so much about the chances of "Argo" or "Lincoln" walking away with Best Picture, but clips from past Oscar cere-

monies, including memorable winners, inadvertently amusing speeches and unscripted

moments. Rebroadcasting Oscar moments is a tricky business. I've been told that in order to show the entire cere-

mony for a second time, the broadcaster would need to get permission from virtually everyone in the audience and renegotiate terms with musicians and talent, etc. That's a legal nightmare that makes the Academy Awards, unlike sporting events on ESPN Classic, one of those rare spectacles that is never repeated.

That explains why the clips that are recycled (Barbra Streisand's "Hello, gaw-jus!" and David Niven's "shortcomings" remark) tend to be familiar.

---After spending last week gazing at the Earth from space, "NOVA" (9 p.m., PBS) pivots from the celestial and poetic to the grimmest of human subjects.

"Mind of a Rampage Killer" examines the motivations of those who perpetrate mass slaughter in public places. In the aftermath of the Newtown, Conn., shootings, experts, pundits and advocates began assigning blame to three possible causes: gun culture,

violent media and untreated mental illness. "Mind" touches on an angle re-


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lated to all three. Correspondent Miles O'Brien investigates a growing consensus around the theory that these horrible events are driven more by suicidal despair than homicidal rage. Similar to the well-documented cases of "death by cop" -- would-be suicides who engage authorities with the deliberate intention of dying -- the disturbed perpetrators of public shootings hope to go out in a grotesque cinematic fashion, treating their victims as nothing more than "extras" in their suicidal movie.

This theory raises any number of troubling questions: Is violent media responsible for such desensitized behavior? Should the news media ignore or play down these ghastly events in the hope of discouraging copycats?

It goes without saying that if these mentally ill people had received treatment, they might not be a danger to themselves or others. And if they didn't have access to military-style killing machines, we would never have heard of them in the first place.

According to a report in last week's New York Times, nearly 20,000 Americans used a gun to kill himself or herself in 2010. The overwhelming majority of those stories did not make the news.

OTHER HIGHLIGHTS

---Ten semifinalists perform in Las Vegas on "Amer ican Idol" (8 p.m., Fox, TV-14).

---Oliver feels like letting his hair down on "Arrow" (8 p.m., CW, TV-14).

---Domestic violence hits close to home on "Law & Order: Special Victims Unit" (9 p.m., NBC, TV-14).

---Phil crashes Claire's college reunion on "Modern Family" (9 p.m., ABC, TV-PG).

---Suspicion falls on Sara on "CSI" (10 p.m., CBS, TV-14).

---Cruz's mistake puts everyone in danger on "Chica go Fire" (10 p.m., NBC, TV-14).

---An attempt on President Reagan's life makes life uncomfortable for the KGB on "The Americans" (10 p.m., FX, TV-MA).

---Behind the scenes of "Moonshiners" (8 p.m., Discovery, TV-14).

CULT CHOICE

Those who take the Cape Crusader seriously consider the campy 1997 adaptation "Batman & Robin" (8 p.m., IFC), starring Arnold Schwarzenegger, George Clooney, Chris O'Donnell, Uma Thurman and Alicia Silverstone, to be the nadir of the franchise. OK, there's "Catwoman," too.

SERIES NOTES

---Whitney's dad makes a generous offer on "Whitney" (8 p.m., NBC, TV-PG).

---Frankie frets over Brick's school trip on "The Middle" (8 p.m., ABC, TV-14).

---Gary works career and family on "Guys With Kids" (8:30 p.m., NBC, TV-PG).

---Cutthroat competition on "The Neighbors" (8:30 p.m., ABC, TV-PG).

---Murder's minute hand on "Criminal Minds" (9 p.m., CBS, TV-14).

---A cop turned witch has misgivings on "Supernatur al" (9 p.m., CW, TV-14).

---Tessa offers advice on "Suburgatory" (9:30 p.m., ABC, TV-PG).

LATE NIGHT

---Ken Marino and Mark Normand appear on "Conan" (11 p.m., TBS).

---Dov Davidoff, Annie Lederman and Ross Mathews are booked on "Chelsea Lately" (11 p.m., E!).

---Hugh Jackman and the Americans appear on "Late Show With David Letter man" (11:35 p.m., CBS).

---Jay Leno welcomes Chelsea Handler and SkyBlu on "The Tonight Show" (11:35 p.m., NBC).

---Michael Strahan, Miles Teller and Dido appear on "Jimmy Kimmel Live" (11:35 p.m., ABC).

---Craig Ferguson hosts Lisa Kudrow on "The Late Late Show" (12:35 a.m., CBS).

Kevin McDonough can be reached at kevin.tvguy@g mail.com.