Apart from CNN throwing the phrase "ties with Russia" like the period at the end of the sentences for things as little as an interview being aired on Russian TV

Apart from CNN throwing the phrase "ties with Russia" like the period at the end of the sentences for things as little as an interview being aired on Russian TV (true story from CNN [1]), do we have reasons to think the "Russians hacked the election"? Are you telling me our systems aren't resilient to attacks from other nation-states? If so... what's the NSA doing? [1] https://youtu.be/rSzYc_gSx44 https://youtu.be/rSzYc_gSx44