Seattle’s March for Science is expected to be the second largest one in the country, second only to Washington D.C. That’s according to the activists behind it. The event is coinciding with the annual Earth Day celebration , when people who care about the environment traditionally get out there to show their colors. Many people who don’t normally show up for political protests are planning to march for science tomorrow. Take Bruce Congden. He’s the dean of STEM and social sciences at Seattle