(October 2, 2007)--Nebraska coach Bill Callahan says he'll never apologize for a win, regardless of how it looks.

He said the kind of dominance enjoyed by USC since 2002, much like the dominance of Nebraska in the mid 1990s, is harder than ever to achieve.

Callahan was asked Tuesday whether his team's hard-earned victories this season have given him a greater appreciation for the 1990s' run by Tom Osborne at Nebraska.

The fourth-year coach said he's in awe of all the great powers in college football history.

He named Notre Dame in the 1940s under Frank Leahy and Oklahoma in the 1950s under Bud Wilkinson, who he called "Wilkerson."

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