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{\bf Some questions}  \begin{enumerate}  \item What happens if an {\it interior} or bulk {\it bulk}  DNA piece approaches the pore? \item In \citet{2013PhRvE..87d2723R} page 5, it is claimed that DNA motion will occur in a superposition of longitudinal and transverse orientiations (i.e. along the longest dimension, and perpendicular to it). Is this true? I think one of them will be unstable (though at high $T$ the orientation will be frequently randomised).  %%-------------------------------------------------