Big Bernie joins march and hits Broad St Philadelphia: some news links

http://mobile.nytimes.com/2016/07/25/us/politics/protests-convention-bernie-sanders-philadelphia.html

http://www.cnbc.com/2016/07/24/berning-with-anger-protesters-take-philadelphia-streets-ahead-of-democratic-convention.html

http://m.huffpost.com/us/entry/us_579525b3e4b01180b52f5e0a