Hometown post-punk heroes Sonic Youth played a free show for approximately 7,000 fans in Battery Park on July 4th as part of the River to River Festival. The decades-old band started the set with a spellbinding, spacey rendition of “She is Not Alone,” followed by the Kim Gordon-led classic “Bull in the Heather.” By the third song, a blistering “Silver Rocket,” 50-year-old frontman Thurston Moore seemed to have had enough of the photographers separating his......