#polarbear specialists are all about name-calling & disparaging remarks, won't mention my name (I'm Susan Crockford, a zoologist with a Ph.D.), rather than confront the issues of their poor science that I raise. https://t.co/8B6NevLUug Classic response that fools no one https://t.co/utP1yGhIQG— Susan Crockford (@sjc_pbs) December 4, 2017