Laura Benshoff heads to Bucks county, where vice president Joe Biden is stumping for Hillary Clinton. In this week’s edition of What Are We Thinking?, Dave Heller speaks with Frank Newport, editor-in-chief at the Gallup Poll, about Americans’ expectations for the second presidential debate. The Allegheny Front’s Reid Frazier takes a look at where the two candidates stand on energy and environmental issues. Sylvestor Mobley, founder of Coded by Kids, joins Brad Linder to discuss how he is making programming education more accessible to kids. Peter Crimmins reports on a new exhibit that looks at photography in its infancy.