mr. van roekel? >> i agree with the president. to focus on recruiting a whole new generation of teachers. we know the next ten years so many of our teachers are going to be retiring. interms of s. t.e.m., science, technology, engineering and math, building that begins in the elementary schools. our elementary teachers play an important role in building the interest of mathematics. following high school we have to keep them in those fields and encourage them to go into teaching. >> the teachers union has been vilified. make the case, why should a teacher join the union? >> my first year of teaching i honestly believed if i worked hard enough and cared enough about each of my students i could deliver what i needed. the reality comes while i'm teaching in the classroom every single decision is made by a policymaker outside of education. my involvement, my membership in the education was my way of getting my voice into that mix. if you're going to make policy about what's best for students, please include my voice as a teacher because