21.   DC Ranch residents challenge that notion.

22.   Even if a human could be cloned, some argue, the prospect challenges traditional notions of parenthood, identity and human rights.

23.   Even so, Specter challenges the notion that religion is irrelevant to voters when the candidate is Jewish.

24.   Glen Becerra, a VICA member and a Southern California Edison spokesman, challenged that notion.

25.   Gorton is challenging the notion that the senator from the party controlling the White House gets the primary say on federal court picks.

26.   Greenspan thinks the economy might be entering a new era in which inflation remains low despite steady growth and low unemployment, but such notions are being challenged.

27.   He also challenged the notion that the police are disproportionately targeting members of minority groups.

28.   He also challenged the notion that traditional schools better prepare students to be citizens.

29.   He challenged the notion put forward by advocates of a concealed weapons law that allowing more people to carry weapons would reduce crime.

30.   He challenged the notion that whites in Minnesota have been liberal because they were living in a sort of demographic bubble.