Twitter CEO Jack Dorsey keeps his cool before Congress

Twitter CEO Jack Dorsey testifies before the House Energy and Commerce Committee Wednesday, Sept. 5, 2018, in Washington. Lawmakers have sparred over whether a now-reversed change to auto-suggestions on Twitter had unfairly hurt Democrats or Republicans more. Dorsey isn't saying which, but tells lawmakers he'll follow up. (AP Photo/Jose Luis Magana)

A chill, bearded and nose-ringed Jack Dorsey appeared unflappable as he faced hours of questioning from members of Congress Sept 5 on issues as wide-ranging as political bias, hate speech, school safety and election manipulation. 

At 9.30am, 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 1.30pm hearing featured a solo Dorsey before the 54-member House Energy and Commerce Committee.