If Bucs head coach Todd Bowles gave new offensive coordinator Liam Coen a list of objectives when he hired him this offseason, fixing the team’s league-worst run game was surely at the top of the list. It’s only been a couple of weeks of training camp and one preseason game, but early returns are positive. Bowles said as much after Saturday’s preseason-opening 17-14 win over the Bengals in Cincinnati. “It was encouraging to get going,” Bowles said. “We moved the ball pretty good after the first series. And, you know, we got into kind of a flow and a little run, little…