It's tough to get any development in the middle of a season, especially one with a condensed schedule due to the Olympics. Add that to the fact that none of the rookies have had a proper offseason of rest and workouts after the NCAA Tournament ended and you get the tired legs and tired minds that Clark, Reese, Brink, Jackson, et al. are going through. We should have a better idea what these players can do in the league after the month-long Olympic break.
As far as Clark, she regularly uses her elbows and pushes off to create space on drives and to rebound the ball. Regardless, for better or for worse, her fouls are pretty much all basketball moves. Chennedy Carter's cheap shot was clearly nothing of the sort. And, in lionizing Carter and then shoving Clark to the floor Angel Reese illustrated that she still has a ways to go in the maturity department. For her own and the league's benefit one can only hope she gets that. If so maybe her rivalry with Clark can develop into the W's version of Bird vs. Magic.