You want to review the podcast? Here's what you do:
Step 1. Click this link: Review the CGI Podcast in iTunes
Step 2. If iTunes doesn't launch, you'll see the page below. Click the button I highlighted in pink to launch iTunes.
Step 3. Click on 'Ratings and Reviews' as shown below, then click 'Write a Review' further down.
Step 4. Thank yuou! Let me know you left a review on Twitter! Click the little blue bird down there to the right.