https://apnews.com/e573a02c37f34d18a5c5a61c64923a25

A chill, bearded and nose-ringed Jack Dorsey appeared unflappable as he faced hours of questioning from members of Congress Wednesday on issues as wide-ranging as political bias, hate speech, school safety and election manipulation.

At 9:30 a.m., he began at the Senate intelligence committee, alongside Facebook's practiced and polished chief operating officer Sheryl Sandberg and an empty chair in place of the absent Google co-founder Larry Page. In the afternoon, a 1:30 hearing featured a solo Dorsey before the 54-member House Energy and Commerce Committee.