When to Crop in Lightroom, Aperture & Photoshop?

The Question
Over the last few weeks I’ve been involved with three different conversations with photographers about when to crop a photo in post processing. One person suggested cropping at the beginning of the process, one suggested cropping at the end and the other just wasn’t sure.
I tend to crop differently depending on what software I’m [...]

Capture NX 2 - When to Crop?

A reader of the Nikon Capture NX 2 book just sent me a question over email: 
Mike - just finished your book After the Shoot.  I found it the best explanation to date of the functions and use of NX 2. 
You mention that you crop at the end of you workflow.  However, if you add control [...]