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 Morgan Phillips & Rich Edson
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 Timothy Gardner, Steve Holland & Andrea Shalal-Esa