Are the Democrats bringing us closer to a new cold war?

From the redbaiting during the primary to the McCarthy-style attacks on Jill Stein, Julian Assange, Wikileaks, and The Intercept, the Democrats seem to have taken on the job that was once for Republicans.

Do you think there is real danger is using a nuclear power as a campaign tactic? I don’t mean the danger of keeping the public afraid so they continue to vote out of fear. Do you think this is increasing the likelihood of real conflict and a nuclear war?

Note: Lengthy, but excellent summary of the problem here.