I don't know why you wouldn't want a contender to bring up his opponent's bad behavior. Gratuitous mud-slinging I don't like, but true disgusting behavior is fair game IMO.
Are you going to allow every sleazy character to waltz into congress because only issues should be discussed? Not good.
Why would anyone consider Webb's writing to hurt Allen? I suppose now Allen for sure will lose the votes of pedophiles and other perverts which he probably would have lost anyway.
Allen's comment, which had the MSM in hysteria, sure was mild compared to what Webb wrote.