Worth repeating.

MaryinBelltown, at the Edwards campaign blog...

Here is another point that the political writers confuse for us. They call any disagreement an attack or slam. Debate is good. Attacks are personal insults. Debate is about policy, plans, issues, positions. Debate uses logic, seeks to illuminate. Attacks seek to confuse and misrepresent.

Of course, it's not just political writers that create the problem. As Mary points out, it's become standard for the Clinton camp to characterize every disagreement as 'mud.' Until the pundits and pols alike drop this line, there's no way to get the honest debate we need to pick the best nominee.