ugh, trying to make some changes, but the only way I can work from here is by tunneling X windows, and it's just too painful. postponing til I'm at a real computer.
\input{\pathtotrunk preamble.tex}
\input{\pathtotrunk text/kw_macros}
\input{\pathtotrunk talks/beamer_preamble.tex}
% This switches fonts to the Palatino family.
% \renewcommand{\familydefault}{ppl}
\usepackage{array}