Today on Boston Public Radio:

• United States Senator Ed Markey spoke about his experience visiting detention facilities at the Texas border.

• To wait or not to wait? We opened the lines to ask our listeners about Nancy Pelosi's impeachment strategy.

• *Boston Globe *columnist Shirley Leung joined to discuss the role women played in the Apollo 11 mission.

• Homeland security expert Juliette Kayyem discussed her recent Washington Post column about the border crisis.

• Food writer Corby Kummer spoke about Arby's introduction of meat-based vegetables in a jab against the plant-based meat industry.

• Economist Jonathan Gruber explained the pros and cons of rent control.

• Harvard business historian Nancy Koehn spoke about the hazards of multi-tasking.

• We opened the lines again, this time to ask our listeners about how they manage multi-tasking.