Here's a single mention of the DNC leaks on CNN: http://www.cnn.com/2016/07/22/politics/dnc-wikileaks-emails/

Here's a single mention of the DNC leaks on Politico: http://www.politico.com/story/2016/07/debbie-wasserman-schul...

I couldn't in a brief search find a single mention of the DNC leaks on MSNBC specifically, but there's this from NBC: http://www.nbcnews.com/politics/2016-election/hacked-documen...