Thanks for joining uspublished at 19:57 British Summer Time 30 July
Our live coverage has now ended.
For a broader recap of what we learned from a riveting hearing, here is a report from Capitol Hill.
This page was brought to you by Bernd Debusmann Jr, Nomia Iqbal and Alex Lederman at the Senate, and Sam Cabral, with Caitlin Wilson and Emily McGarvey editing.