1.   A quiet debate is brewing about whether home-based robots need not only act human-friendly, but also look like friendly human beings or animals.

2.   A similar debate is brewing over Social Security.

3.   Just when it appeared Arizona State had settled its quarterback situation, another debate is quietly brewing in Tempe . . . at least in the mind of freshman Chad Elliott.

4.   Now that the end of the war in Afghanistan is in sight, a debate is brewing across the Atlantic about how to secure the peace.

5.   A similar debate is brewing in neighboring Australia.