If there were ever such a thing as a must-lose game, the Warriors experienced it Friday night.And despite a 19-point, third-quarter lead, they managed to do it.The Warriors need to fall into the bottom seven in the league (after the lottery) in order to retain their first-round pick in June. On most nights, they're going to need some help in order to close in on their mark. But Friday, they were able to do the work themselves. The Warriors have little or no chance of falling below the teams with the three worst records in the league (through Friday's games): Charlotte (7-42), Washington (12-39) and New Orleans (13-38). That leaves them having to "catch" two of the following five teams if they're to land in the bottom seven entering the lottery:...