Why does everyone just take the word of the current administration to be true? The director of national intelligence, James Clapper, said that he (and the US' i

Why does everyone just take the word of the current administration to be true? The director of national intelligence, James Clapper, said that he (and the US' intelligence agencies by proxy) is uncertain who is responsible for the attacks. I have not seen a single shred of evidence that links Russia to the attacks, other than words that come out of politicians mouths. This all seems like a political narrative to me.