Entry in progress—B.P.
 
Google News Archive
21 August 1965, The Daily News (Virgin Islands), pg. 14, col. 1:
‘Power Is Where Power Goes:’ LBJ
By MARY McGRORY
WASHINGTON. — President Johnson is. fond of saying that “power is where power goes.” Power these days is following him around like his pet beagle, Him.
 
The Observer (UK)
Robert Caro: a life with LBJ and the pursuit of power
It has (so far) taken Pulitzer-winning biographer Robert Caro 36 years to get to the heart of America’s last great reformer, Lyndon B Johnson. In the process he’s become a world authority on the nature of power, and how to use it
Chris McGreal
The Observer, Saturday 9 June 2012
(...)
Johnson also lived by the phrase “Power is where power goes”, meaning he thought he could continue to wield the control he had in the Senate from the vice president’s office. Kennedy quickly killed any such ambition.
 
Deadheat Politics
JANUARY 22, 2013
“Power is where power goes”
It’s a phrase LBJ lived by. It’s not an analogy or a metaphor or anything tricky. It’s straightforward: If you want to be powerful, you go where the power is. It’s one reasoning why LBJ ultimately accepted Kennedy’s request to be the vice president on the Democratic ticket.