1.   In the past, federal authorities sometimes have had difficulty separating groups presenting a real threat from those involved in legitimate dissent.

2.   One thing is legitimate dissent, democratic disagreement, and protest.

3.   But there was a danger that these could be used against political opponents and to stifle legitimate political dissent, she said.

4.   But there was a danger that these could be used against political opponents to stifle legitimate political dissent, she said.

5.   Catholic bishops urged the government Monday to scrap proposed anti-terrorism measures, saying they might be used to curtail legitimate dissent.

6.   The demonstrators in Hong Kong said some governments have used the war on terrorism as an excuse to stifle legitimate political dissent.