1.   The roadblocks were really drunk-driving checkpoints at which police simply would ask drivers if they had a gun in the car.

2.   But the real roadblock is the state of chaos in Cuban agriculture.

3.   But there are other roadblocks.

4.   But there have been roadblocks.

5.   But there is one roadblock.

6.   Chinn noted that the roadblocks have been highly effective in detecting drug couriers.

7.   Faster modems may mean quicker access to the information superhighway, but there are several roadblocks.

8.   In just a few weeks, the roadblocks will be over.

9.   In some other countries, the roadblocks are often an encounter with hungry, drunken youths itching to show their authority.

10.   Israelis say the roadblocks are part of their quest for security, but acknowledge that many can be circumvented.