The spacewalk Thursday by billionaire entrepreneur Jared Isaacman is the latest event in what's a growing business of commercial space travel. Paul Hochman, president of Humongous Media and former tech editor for the Today Show, joins Rob Hart on the WBBM Noon Business Hour with the details.

Photo by Aubrey Gemignani/NASA via Getty Images

<p>The spacewalk Thursday by billionaire entrepreneur Jared Isaacman is the latest event in what's a growing business of commercial space travel. Paul Hochman, president of Humongous Media and former tech editor for the Today Show, joins Rob Hart on the WBBM Noon Business Hour with the details.</p>
<p>Photo by Aubrey Gemignani/NASA via Getty Images</p>

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