dr. mcafee or mr. zeller, i guess, why did fda feel it was important to hold off on restrictions on e-cigarette flavors and marketing when they're clearly targeting kids? why did fda hold off on that? >> i appreciate -- >> on the flavors. >> i appreciate the question and the perspective, mr. chairman. and we share the concerns about any marketing of any of the currently unregulated products like e-cigarettes that would have an appeal to kids. we need to have jurisdiction over them to do something about it. but in the preamble to the proposed deeming rule that would give us the authority to take regulatory action, we summed up all the evidence that we had about flavors, and we asked a series of what i think are very profound and far-reaching questions about that we want comment from all points of view on what role the presence of flavors like this should play as an influence on the regulatory policies that the agency will be in a position to make when deeming is final and we have the ability to use all