31.   Gingrich has called for a special commission to study the problem, which critics say could put off any floor votes on the issue indefinitely.

32.   Galiber studied problems stemming from drug addiction, and he came to advocate legalization of some drugs.

33.   Gore has traveled around the world to study environmental problems, once spending a night in a small tent on a slab of ice in the Arctic Ocean.

34.   He favors creating an independent commission to study the problem, find solutions and submit them to Congress.

35.   He and U.S. Treasury Secretary Lawrence Summers recently formed a task force to study the problem.

36.   He even testified once before a U.S. House subcommittee studying the problems in fatherless households.

37.   He was also once appointed to a panel studying the problem of sexual harassment at the Aberdeen Proving Grounds in Maryland.

38.   He wants a national commission to study the problem.

39.   In Massachusetts, criminal justice officials said they had not studied the problem enough to know how the national statistics compared to the state.

40.   In studying their problems, he became fascinated by the emotional identity of the artistic hand.