via guestofaguest.com: Did you know that today is the longest day of the year and summer's official start? At 7:09 PM (EDT), when the sun will shine directly at the Tropic of Cancer and reach farthest north of the equator, we're launching full throttle into summer (as if we haven't already). In honor of those extra moments of daylight (more natural light for reading!), we've compiled our favorite summer poems. MORE>>>