To be fair, the probability that the short explanation "He received money from Libya for his presidential campaign" is actually the truth is very high.
There is no formal proofs, but as you say, (the judges deliberated that) there is enough "converging indications" to support the idea that the short explanation is true.
There is no formal proofs, but as you say, (the judges deliberated that) there is enough "converging indications" to support the idea that the short explanation is true.