Pinar Yildirim of the Wharton School says that the White House’s new direct social media response to conservative politicians is unusual and more effective at capturing attention, though its informality might lead to future debate.

Research by Peter Cappelli of the Wharton School and colleagues shows that women tend to get to top corporate roles faster than men, although they often don’t break into the highest echelon of management.

Allison Hoffman of Penn Carey Law says that orthodontist John Kelley’s suit could wipe out the protective services mandate of the Affordable Care Act and have broader implications about constitutional provisions on government authority.

Joshua Diamond and Jaclyn Golato of Penn Medicine and colleagues are credited by Delaware teacher Bri Iacona for helping her survive a year-long battle with severe COVID-19, culminating in heart surgery and a double lung transplant.

Daniel Garrett of the Wharton School says that Texas’s top five lenders left the municipal bond market because they refused to support the manufacture of AR-15-style weapons, estimating that their departure has cost Texan taxpayers an extra 300- to $500 million in interest.