Today on Boston Public Radio:

— We opened our lines to ask callers: what did you think about Tuesday night’s Democratic debate?

— MIT economist Jon Gruber discussed the impact the coronavirus is having on the U.S. economy and the factors dissuading drug companies from creating a coronavirus vaccine.

— Ali Noorani, executive director for the National Immigration Forum, discussed President Trump’s newly implemented "public charge" rule for immigrants and post-Brexit Britain’s handling of immigration

— Medical ethicist Art Caplan discussed the U.S.’ preparedness for a coronavirus outbreak and the mixed messaging about it from the Trump administration.

— WGBH arts editor Jared Bowen reviewed “She the People,” now playing at the Huntington theater and the new exhibit by artist Tschabalala Self called “Out of Body” at the ICA.

— Media maven Sue O’Connell discussed sentencing for a Hot Pockets heiress in the ongoing “Varsity Blues” scandal, and the emergence of an anti-Greta Thunberg.

— In light of a new NOVA documentary “Mysteries of Sleep," UMass Amherst neuroscientist Rebecca Spencer discussed the science behind why we dream.