20. Lyndon Johnson: Bobby Baker Investigation
The former 1962 Secretary to the Majority Leader Bobby Baker started a vending machine business he named Serv-U Corporation.
The controversy resides in the fact that the company earned Baker a questionable 3.5 million paycheck. He had probably arranged sexual favors for a payoff, and was also investigated for bribery and alleged mob ties.
Even though these allegations got quieter after JFK’s assassination, they were revisited in 1964 and almost cost him the election.