How to drag stretch an object?

Question: How to drag stretch an object?

Answer: 

1. Click the mouse button to the lower left of the scale multi-throttle
2. Select or de-select the appropriate dimension buttons ([W],[H], and [D]) as described above
3. Place the pointer (which now displays as a "scale" icon) in the live view screen and click and drag the mouse up or down stretch or shrink the object.  Be careful you can change a lot with very little effort when using the mouse!