1.   Labor-Management Cooperation Many public managers believe that unions are the greatest obstacle standing in the way of entrepreneurial government.

2.   Rather than finance, the greatest obstacle he faces is his attitude.

3.   The greatest obstacle to economic progress has been mass unemployment.

4.   The lack of a Leninist party constitutes the greatest single obstacle to the victory of the world revolution.

5.   The nuclear programme, because of its sudden appearance and because of the passions it arouses, has encountered its greatest obstacle in people.

6.   The greatest obstacle to the progress of the Unity Campaign was the opposition of the Labour Party.

7.   Mr Foley identified uncertainty as the greatest obstacle to company expansion, noting that for many firms continued rationalisation may be the best policy.

8.   And the greatest obstacle of all is the sheer difficulty of identification itself.

9.   As the regular season makes the turn for home, that may be the greatest obstacle standing between Dallas and an unprecedented Super Bowl three-peat.