Silversea’s Silver Whisper docked at sunset in Bridgetown, Barbados, Friday, March 4, 2011. The 382-guest, ultra-luxurious vessel is in the midst of a seven-night Caribbean voyage. She calls on Castries, St. Lucia; Gustavia, St. Bart’s; St. John’s, Antigua; Marigot Bay, St. Martin; Virgin Gorda, British Virgin Islands; and San...