They appear to be consistently crossing the line step by step and becoming less and less communicative.

There are subtle things you can do without crossing the line. If I see I've got up my opponent's nose, I will be over the moon. Job done.

Our goal is to at least get to the 30-yard line. We got there consistently this week.

In a litigation-happy society, clear agreements often prevent small disagreements from becoming big ones.

We're just trying to fine-tune it. The bottom line is, we're trying to rate tornadoes more consistently and more accurately.

This is primarily a communicative move, where misunderstandings can be put out of the way,