draw the line

How do I know when to draw the line?

“If we have a few very small studies that suggest effectiveness—studies that don’t uphold the rigor that we need—what if the next treatment is hyperbaric oxygen? Where do we draw the line?”

“I might draw the line at a strong vanilla in public settings like malls and gyms next time,” Anthony said.

“I have to draw the line at some point,” Brenner said.

But exactly where the appellate court may draw the line on presidential fact-finding is tricky, experts said.