OK, this has to be Sanders supporters playing coy, right? Because this is 2 CA polls in a row with Clinton at half Obama's margin while it looks just like 2012 most everywhere else. Or maybe it really is tied nationally because Clinton is only winning CA/IL/NY/NJ/MA by 10 while getting Obama 2012 numbers or better everywhere else? If so, Trump is Tilden-level screwed in the EC...
The 55+ and to a much lesser degree, the 35 - 64 age groups look about what would be expected for a regular Republican in California. The 55+ age group is the primary Republican holdouts from California's days as a red state, just like other red-to-blue states that trended in the past generation.