Skidding Heat emphasize 'toughness' against surging Kings

(Photo credit: Petre Thomas-USA TODAY Sports)
The Miami Heat, who made it to the NBA Finals last year, are stuck in a brutal slump.

Miami, which will host the Sacramento Kings on Wednesday night, has lost seven straight games -- the longest active streak in the NBA.

It is also the Heat's longest losing streak since dropping 15 straight games from December 2007-January 2008.

Heat coach Erik Spoelstra, a two-time NBA cha