| National, once | 14 |
| National, formerly | 18 |
| National, before moving | 23 |
| National, before emigrating? | 28 |
| National's local rival | 26 |
| National ___ Convention (annual Britt, Iowa event) | 50 |
| National ___ | 12 |
| National Zoo favorites | 22 |
| National Zoo favorite | 21 |
| National Zoo critters | 21 |
| National Zoo creatures | 22 |
| National Zoo creature | 21 |
| National Zoo beast | 18 |
| National Zoo attraction | 23 |
| National youth org. | 19 |
| National Women's Political Caucus cofounder | 47 |
| National women's org. | 25 |
| National who lives overseas, informally | 39 |
| National Weather Service feature | 32 |
| National Wear Red Day mo. | 25 |
| National Water Quality mo. | 26 |
| National Voting Rights Museum site | 34 |
| National Voting Rights Museum locale | 36 |
| National Voting Rights Museum city | 34 |
| National Velvet novelist Bagnold | 35 |
| National Velvet author Bagnold | 33 |
| National uncle | 14 |
| National U.S. problem | 21 |
| National tune | 13 |
| National tree of Germany | 24 |
| National tree | 13 |
| National treasury | 17 |
| National treasuries | 19 |
| National train service | 22 |
| National Theatre of Japan offering | 34 |
| National team known as Gli Azzurri | 34 |
| National Talk Like a Robot mo. | 30 |
| National Taco Day mo. | 21 |
| National symbols, often | 23 |
| National symbols | 16 |
| National symbol with eleven points | 34 |
| National symbol of Wales | 24 |
| National symbol of New Zealand | 30 |
| National symbol of Ireland | 26 |
| National symbol down under | 26 |
| National symbol | 15 |
| National STD Awareness Month | 28 |
| National Stamp Collecting Mo. | 29 |
| National sports org. | 20 |
| National sport of South Korea | 29 |
| National Spelling Bee sponsor | 29 |
| National Spelling Bee rarity | 28 |
| National Spelling Bee organizer | 31 |
| National Spelling Bee clause | 28 |
| National Space Society magazine | 31 |
| National song, theme of today's puzzle | 42 |
| National song, e.g. | 19 |
| National song | 13 |
| National Soccer Hall of Famer since 1993 | 40 |
| National Soccer Hall of Famer Michelle | 38 |
| National Soccer Hall of Famer Alexi | 35 |
| National Soccer Hall of Fame city | 33 |
| National Ski Hall-of-Famer Tommy | 32 |
| National shrine at N.Y.U. | 25 |
| National services | 17 |
| National service? | 17 |
| National service | 16 |
| National security problem | 25 |
| National security concerns | 26 |
| National security adviser Condoleezza | 37 |
| National seashore park North of San Francisco | 45 |
| National Sarcastic Awareness Mo. (duh!) | 39 |
| National Salad Month | 20 |
| National Rlwy. | 14 |
| National rival | 14 |
| National Review pieces | 22 |
| National Review piece | 21 |
| National retail outlet | 22 |
| National record | 15 |
| National Railroad Passenger Corporation | 39 |
| National Puzzlers' League publication, with The | 51 |
| National Psoriasis Awareness Mo. | 32 |
| National problem | 16 |
| National Post columnist, Cam | 28 |
| National Pork Mo. | 17 |
| National Poetry Month | 21 |
| National Poetry Mo. | 19 |
| National Pizza Month: Abbr. | 27 |
| National Pizza Month | 20 |
| National Pizza Mo. | 18 |
| National personae non gratae | 28 |
| National pastime number | 23 |
| National pastime | 16 |
| National parks, e.g. | 20 |
| National parks and forests, e.g. | 32 |
| National park with the Pink Cliffs | 34 |
| National park whose name means "the high one" | 55 |
| National park until 2009? | 25 |
| National park trail, e.g. | 25 |
| National park through which the Virgin River runs | 49 |