Dr. David Parker is a medicinal chemist who has worked in the pharmaceutical industry since 1990. He earned a bachelor's degree in chemistry, biology and physics at the University of Delaware, and a Ph.D. in organic chemistry at Indiana University. He did his postdoctoral work at Columbia University under a National Institute of Health award fellowship.
Tonia Parker is a stay-at-home wife and mother. Previously, she worked as an organic chemist in research drug discovery from 1991-99. She earned her bachelor's degree in chemistry from Ohio University. David and Tonia live in Lexington, Mass., with their sons, Jake, 9, and Josh, 7.
Dr. Ravi Zacharias is the president of Ravi Zacharias International Ministries and has spoken in more than 50 countries. His weekly radio program, "Let My People Think," is broadcast on over 1,000 stations worldwide, and he has appeared on CNN and other international broadcasts. He hold a master's of divinity from Trinity International University in Deerfield, Ill. Dr. Zacharias is the author of several books. He and his wife, Margaret, have three grown children and reside in Atlanta.
Dr. Dobson talks with a Massachusetts couple who were told they do not have the right to know when their young son is taught about same-sex relationships. They took their case all the way to the U.S. Supreme Court. Also joining Dr. Dobson is Dr. Ravi Zacharias, who reminds voters why it is so important to get to the polls on Tuesday.