Behind his change in tactics are a number of possible reasons.

At first nothing happened, but a change in tactics produced a better result.

The new group was much more aggressive in their tactics.

Act Up is almost certain to take a lead in aggressive tactics.

"No one who is not involved in tactics has any idea what we are doing tomorrow," he said.

Let's look at it as a problem in strategy and tactics.

"We are planning to make changes in our tactics," he said.

"What we are seeing is a change in tactics, but the strategy has not changed."

But shifting can make the world of difference in tactics.

If there are any bugs left in our tactics, we'd better find out now.