The vulnerability John Wall has displayed over the last few years is to be commended. The Clippers’ guard revealed to the world in a pretty matter-of-fact way that he’d contemplated suicide at one point or another over the last few years. He’d battled injury, been traded, lost his mom, and nearly lost a limb during that time, according to Wall’s most recent account of his struggles on The Player’s Tribune, in which he explained exactly why his brain took him to the deep, dark depths that it did. In short, he felt he had nothing. Nobody was there for him.…