If Israel truly wants to free Shalit their is an easy way. Turn off power and water flowing into Gaza. Let the population have 4 hours of the 17th century. Then tell them tomorrow water and power will be turned off for 5 hours and an hour more for each day Shalit isn't released. This gives them a choice, water and power or a prisioner.
Australian, Thai journalists acquitted of defaming Thai navy (AP)
from the article: ANALYSIS: To free Shalit, Israel must avoid arrogant declarations