When the great Arthur Ransome
(Rod and Line 1929, Fishing 1955, Mainly about Fishing 1959) was asked by the head of the British Secret Service what his politics were, he replied: "Fishing."
The Bill Mares book looks good and I will order it for my next trip to the US. Described as: "An anecdotal history. A number of American presidents have been fishermen, keen or otherwise. In this book, the author examines the relationship between the presidents' angling and their careers in the White House - far more substantial than you might think - with many illustrations from contemporary photographs and newspaper cartoons. Washington, Cleveland, the Roosevelts, Eisenhower, Hoover, Coolidge, Nixon, Carter, George Bush, Sr., and others, besides the odd vice-president. Chapters include:- "All men are equal before fish"; The first "First Angler"; Angling presidents as angling youths; Fishing on the job / fishing for a job; Fishing and escape; Fishing, politics, and the cartoonist's pen; Streamside situation ethics; The people's pen pal; Presidents, fishing, and swearing; The fishing cabinets; Affectations and pretenses"
And for Eisenhower and Nixon on the stream when still candidates see
https://www.youtube.com/watch?v=E7J_1DyXjiQ