https://www.reuters.com/article/us-equifax-cyber-congress/key-u-s-senators-demand-answers-on-equifax-hacking-idUSKCN1BM2KG >Two key U.S. senators on Monday asked Equifax Inc to answer detailed questions about a breach of information affecting up to 143 million Americans, including whether U.S. government agency records were compromised in the hack.