Hot on the heels of the finale of ‘The Amazing Race 6’, and the cast announcements for ‘The Amazing Race 7’, comes news that parts eight and nine have been ordered up – with a twist. The 8th version, scheduled to air this summer, will feature families of four rather than the traditional pairs. All family members will be 12 or older with at least one 21+ guardian for each child, and may include engaged couples and their future in-laws. “Everyone can relate to family travel… the camaraderie, the emotion and even the conflict,” said ‘The Amazing Race’ executive producer Bertram van Munster. “We