An “eraser button”? Focused ideas could help bridle Big Tech

Facebook employees take a photo with the company's new name and logo on Oct. 28 outside its headquarters in Menlo Park, Calif. (AP Photo/Tony Avelar)

WASHINGTON — Break up Big Tech? How about shrinking the tech companies’ shield against liability in cases where the content they push to users causes harm? Or creating a new regulator to strictly oversee the industry?