Biking in Manhattan is a contact sport. It includes confronting cabbies and dodging pedestrians (who in welcome ways have a supremacy of the street). It demands nano-second reflexes, a sense of daring and nerves stronger than your bike frame.
I would argue that perhaps the biggest crisis facing America today is our lack of affordable housing. I would also argue that our lack of affordable housing has the biggest influence on the increase of people experiencing homelessness.
Politicians dominate most stories about key issues, pushing the movements to the margins. Almost every American who is paying attention to the news knows the name of Senator Ted Cruz, but how many can name an immigrant rights or labor leader?