This Day in History: January 28, 1986 The Space Shuttle Challenger explodes 72 seconds after lift off, killing all seven crew members aboard, including school teacher Christa McAuliffe.

 Dr. Tim Muehlhoff, professor of communication at Biola University ... He’s the author of "Winsome Persuasion: Christian Influence in a Post-Christian World," selected by Christianity Today for it's Book of the Year Award in the category of evangelism/apologetics, and his latest is “Defending Your Marriage: The Reality of Spiritual Battle” ... (Can pizza make a difference in today's argument culture? News anchors Bret Baier and Rachel Maddow couldn't be more different: Bret works for Fox News, while Rachel is employed by MSNBC. They are on opposite ends of an ideological Grand Canyon! Yet, when Bret and his family were in a scary car accident, Rachel surprised everyone by reaching out to troopers and EMS workers who came to the rescue of her political opponent and sent them pizza!)

Kazoo Day

What piece of Pgh would you send to the Moon?

Fr Jason Charon, Holy Trinity Ukrainian Catholic Church, Carnegie PA

Pitt waives security fee for recent Ben Shapiro event.

*Oscar season ... GUEST Wade Bearden, co-host of 'Seeing and Believing,' a film and TV podcast that searches for the sacred on screen ... He's also a writer, pastor, and adjunct instructor at Southwestern Assemblies of God Univ .. Wade lives in Houston, TX with his wife and son ... You can catch his blog at www.wadebearden.com or follow him on Twitter (@WadeHance)