Several cruise lines will begin operations outside the U.S. Photo Credit: mariakray/Shutterstock.com Several cruise lines have plans to launch their ships from foreign ports on cruises that will be open to North American passengers. Large-ship cruising is still mostly banned in U.S. waters, due to the CDC's conditional sailing order. But one ship, the Celebrity Edge, has been approved to sail from Florida on June 26, and others are planning cruises to Alaska in July. The following lines are currently scheduled to launch cruises open to either vaccinated adults or to vaccinated passengers en...