If you have to pony up 50 millions dollars...

...to get support for your agenda, Mikey, then it ain't grass roots. Its astroturf.

Michael R. Bloomberg, making his first major political investment since leaving office, plans to spend $50 million this year building a nationwide grass-roots network to motivate voters who feel strongly about curbing gun violence, an organization he hopes can eventually outmuscle the National Rifle Association.