1.   Giuliani then seemed to remember his role as talk show host and went to the next caller.

2.   Or they might be in a hurry to get to the next caller.

3.   The next caller comes on the air.

4.   The next caller, lacking this hint, favored the food category.

5.   The next caller took exception to the racist characterization.

6.   The next caller began with a scolding.

7.   Usenet gives all opinions equal chance to be seen, something like a long-running talk radio show with the opinions not going away with the next caller.