1.   At a Senate hearing, administration officials say that combating terrorism has grown more difficult because of new technology and growing economic connections between nations.

2.   At a Senate hearing Tuesday, administration officials told Congress that combating terrorism has grown more difficult because of new technology and growing economic connections between nations.

3.   He added that the international community should help poor countries, saying that terrorism grows out of poverty.

4.   The Bush administration told Congress today that combating terrorism has grown more difficult because of rapid advances in technology and much greater economic connections among nations.

5.   The Bush administration told Congress on Tuesday that combating terrorism has grown more difficult because of rapid advances in technology and much greater economic connections among nations.

6.   The Bush administration told Congress on Tuesday that combating terrorism has grown more difficult because of new technology and growing economic connections between nations.