It's halftime in the NBA: 10 things to watch from here

It's halftime in the NBA.Officially, Thursday night's Cleveland at Toronto game was the 615th on the NBA schedule for this season — the exact midway point on the 1,230-game regular-season slate. Everyone tends to call what follows the All-Star Game as the second half, but it's more like two-thirds of the season that will be in the books before that showcase in Los Angeles next month.Here's a look at 10 storylines for the second half:The trade deadline comes earlyAlways a big deal, this see