Still no new year's plans? For once, you don’t have to plan anything much. Just drive downtown to 10th and K to see the new year in at Sacramento’s newest nightlife center: 10th Street between J and K. This New Year’s Eve will mark the official debut of Sacramento’s newest, and in some ways, finest, nightlife block. While the moaning and arguing continues about the K Street Mall between 7th and 9th, a single block of 10th Street between K and J is poised to impress. With this month’s opening of the Citizen Hotel and its gorgeous, elegant restaurant The Grange - following the November opening of The Cosmopolitan, with its restaurant, bar, upstairs club Social and theatre the Cosmopolitan