Biden to waive Trump-era sanctions on operator of Russian pipeline
By Guy Chazan & Katrina Manson
Biden clears way for Russian pipeline after blocking Keystone Pipeline in US
By Rich Edson & Morgan Phillips
Biden administration decides not to sanction company building controversial Russian gas pipeline
By Nicole Gaouette, Kylie Atwood & Natasha Bertrand
U.S. waives sanctions on Nord Stream 2 as Biden seeks to mend Europe ties
By Steve Holland, Timothy Gardner & Andrea Shalal-Esa