On Tuesday's show: A workers' strike is looming at the Port of Houston. We consider the ramifications it could have on shipping and elsewhere.

Also this hour: As we get closer to the election, we consider how to know what polls to trust.

Then, space writer Eric Berger discusses his new book, Reentry, which tells the story of how SpaceX developed its Falcon 9 rocket and how that changed space travel forever.

And we revisit a conversation about faith and science with Rice University English professor Timothy Morton, who explains why he thinks the two have more in common than some realize.