Split an Audio Clip
The Split Audio Clip Command is new to Version 10
It is found in the Right Click Menu for the Timeline
Place the Cursor at the point where the Split is required
Right Click in the Timeline / Waveform area
Choose Split Audio Clip
The Audio Clip is Split into two parts at the point of the Cursor
Project Options / Audio shows two incidences of the same Audio Clip with different Start Time / Duration etc
Either Split Portion can be dragged along the Timeline or into a new Track