Brooklyn Heights residents may have thought their neighborhood had earned a respite from anti-Semitic graffiti after the arrest and confession of Ivaylo Ivanov, who committed and then confessed to a string of vandalism incidents last year that left Brooklyn Heights peppered with swastikas in spray paint. But last week another wall was defaced with a symbol of hate. The incident involved a a brick apartment building at 22 Remsen St. The swastika was first spotted......