Washington Post Editorial.  DEBATE HAS raged over whether the United States can fight Vladimir Putin on the Russian president’s most favorable ground: energy politics. It can, and it should, particularly because there’s an obvious path forward that coincides with the United States’ — indeed, the world’s — economic interests. That path is lifting irrational restrictions on exports and making it easier to build natural gas export terminals. Comment:  This comment and our archives will supplement the adjacent story.   Late last year we began documenting with more and more detail the relationship of socialist [...]