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In the Pittsburgh mayoral race, Republican Mark DeSantis is challenging incumbent Democrat Luke Ravenstahl.

Mr. DeSantis, 47, is a high-tech businessman and a consultant. This multimedia presentation offers a biographical look at his background. An additional audio clip, in which Mr. DeSantis talks about his family background, is linked from the left column of this page.

The election is Nov. 6.

Related article: GOP mayoral candidate DeSantis talks business