Great Examples
TED Talks (plethora)
Deepak Chopra (prolific)
Dr. Jill Bolte Taylor (neuroscience)
Les Brown (motivational speaker)
Dr. Robin Smith (psychology)
Celebrity Commencement Speeches
Even MORE commencement speeches

Podcasts/Radio
Friday Favecast (soul/hip hop & positive commentary)
Duct Tape Marketing (good podcast examples)
Deepak Chopra – Wellness Radio
Dr. Wayne W. Dyer on HayHouseRadio.com
Michael Bernard Beckwith – Agape Online

Power Up Practice: 20-minute speech (inspire)