It all began on commencement day in 1989 when Laura Hotchkiss Brown and four friends unfurled a banner across the face of Butler Library. But almost immediately, it was removed by campus security.

Over 100 demonstrators crowded a Columbia University library reading room Wednesday, prompting school administrators to call ...

It all began on commencement day in 1989 when Laura Hotchkiss Brown and four friends unfurled a banner across the face of Butler Library. But almost immediately, it was removed by campus security.