Here are a few places to find commentary on many of your interests: https://www.avclub.com/
Deadspin, Sports Commentary and News; Gadgets and Tech: Gizmodo; Cars and Car Related Commentary; The Take-Out: Food Related News and Commentary; Society and Culture Podcasts from National Public Radio; African-American Interest: The Root; Various Groups of Interest: African-American; Student; LGBT; Latino all can be found at The Huffington Post Voices Section. Teenage produced podcasts from Radio Rookies or student friendly articles from Kelly Gallagher's Article of The Week as well as his article archive. Remember, the article or podcast you select should be a Commentary or Opinion or Op-Ed piece. That means it should express a perspective or viewpoint, claim or point of view. It can not just be news.
