Heisler: Magic Johnson quit when Lakers needed him most for what he did best

For Magic Johnson’s last trick, as a Deadspin headline put it, he made the Lakers disappear.
No, really. He quit Tuesday night. No Laker official has appeared in public since.
Actually, Johnson made the front office disappear years ago, rarely appearing at the Laker facility or doing much of anything in the day-to-day operation.
Not that things were better when he was engaged. He left on a grisly streak of errors and meltdowns that scuttled their season … announcing they weren&rsquo