Meet the poets with typewriters at First Fridays

A look at a highlight of First Fridays in Downtown Phoenix: typewriter poetry. ASU professor and poet, Rosemarie Dombrowski, leads a group of young people who take a cue word from the audience and create a poem they type out on a typewriter.

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See the rise of a workers' movement to fight industry injustices

Travel to Texas, where immigrant construction workers are seeking justice and equality in an industry rife with exploitation. Across the state, there's an unprecedented building boom, fueled by Latino laborers with little or no rights.

'Last Tango in Hailfax' returns for season four

After seven years of marriage, Alan and Celia discover that wedded bliss isn't always blissful. Clashing politics, Alan's new job and a wild local lad create tension. Caroline gets emotionally embroiled at work. Alan's brother visits. See what else unfolds in season four of "Last Tango in Hailfax."

'Nova' delivers stories from the front lines of science

"Nova" explores new discoveries and how we have come this far on Wednesdays at 8 p.m. on Arizona PBS.