Steve Kerr’s starting Warriors lineup is logical, but still a work in progress

SAN FRANCISCO – The Warriors are two games into the NBA preseason, and as they glance ahead they can see at least one caution light blinking.The light that gauges the effectiveness of their perimeter defense, particularly at the point of attack.That element is one of several essentials to Golden State’s success, and it has been considerably less than stellar. Opposing guards, some speedy and others shifty, are penetrating with regularity, resulting in paint points, free throws or kickouts to open shooters behind the arc.That was visible Wednesday night in the first half – with all minutes going to starters and rotation players – of a 129-123 win over the Portland Trail Blazers. It took a massive fourth-quarter comeback by the far end of the bench to wipe out a 16-point halftime deficit.Moses Moody started in the role of primary POA defender against Portland, with coach Steve Kerr pairing him with Stephen Curry in the backcourt. This vulnerability also was visible last Sunday, when Brandin Podziemski started alongside Curry in a 111-103 win over the Los Angeles Lakers.While it’s unreasonable to expect fantastic defense in the first week of the...