Category: seattlepi.com teaser headlines   Thanks to light rail, Columbia City and Beacon Hill are just a quick, cheap, no-parking-hassle train ride away. Beacon HillThe Beacon Hill Concert Series, Beacon Rocks! (rockitspace.ning.com/page/beacon-rocks) is a roster of family-friendly outdoor music events happening this summer at Beacon Hill’s new party-hearty site, the Lander Festival Street—an area extending…