For our latest TribLive conversation, I sat down with the soon-to-be-ex railroad commissioner and declared 2012 U.S. Senate candidate to talk about why he's qualified to serve, what he thinks of his potential primary opponents and a range of issues that he'd face if he were in D.C. today.

I've pasted three extended video clips from the interview below: about why he's running (and whether he thinks Kay Bailey Hutchison is a consistent conservative), how his campaign will or won't be impacted by the fact that he's African-American and how he views the controversial question of climate change.

Audio of the full interview can be found here.

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