1) providing you are not on a morning flight, yes saver service gives out two cookies after the digEplayer, buy on board food service, and first beverage service. On the Second beverage service/trash run, you can ask for extra cookies too if you feel hungry still

2) not sure on how strict the security line is, but my guess would be 99.9% no on getting through...unless its an exec status for a airline that flies out of terminal D, i doubt you'll get much luck.

3) The best care club will not honor a NW world club/skyteam membership card...they have absolutely no connection, and the bestcare club is an entirely seperate entity

4) (not a question but a word of advice) try to get to the airport early to reserve an exit row seat, for that flight it makes it much more bearable...try to sit on the side with two seats too, 20 A or B (a window, b aisle) 19 AB are exits too, but don't recline.

I make this flight a couple times a week, its a great flight, and great service. No problems.