On a special season of "Journeys of Faith," ABC News' Paula Faris sits down with 2020 presidential candidates and other political figures to discuss how faith and religion have shaped their politics. In this episode, Paula speaks with Sen. Ted Cruz.

Listen now -- new episodes are available every Wednesday.

Here is Paula, in her own words, about the episode.

The war of words between Sen. Ted Cruz and then-candidate Donald Trump during the 2016 Republican primary was not just heated, it was ugly. Trump attacked Cruz’s wife, and cast false and inflammatory accusations against his father.

Fast forward a few years, and Cruz is now a staunch ally of the president. So how was he able to forgive someone who’d said something seemingly unforgivable about his family?

His faith, he says.

Cruz tells me his faith played a huge role in reconciling his relationship with the POTUS, saying, "Forgiveness is critical to what it means to being a Christian. And forgiveness is something I try to do."

On this episode of "Journeys of Faith," Cruz talks to us from his hideaway on Capitol Hill, where he twice has to break away from the interview to vote on the Senate floor.

The son of a Cuban refugee sets the record straight on his voting record, explains how his faith informs his views on gun control, and details why he sat down with actor and activist Alyssa Milano.

But he also explains that just because he supports Trump doesn’t mean he agrees with everything the president says or does, telling me that there are "many things Donald Trump says and does that I wish he didn't say and didn't do."

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