If Israel is not allowing visitors to the Palestinian prisoners held by Israel and they continue holding them as prisoners, then why is the treatment of Shalit any different. Let Israel show the way by allowing visits, and then let Hamas decide what it will do. If the facts are as described in the article then Israel has no gripe and the Hamas gander is behaving no worse than the Israeli goose. Shalit's parents should complain to Israeli leaders.
Historic flooding in U.S.'s Carolinas kills 13 (DPA)
from the article: Hamas rejects Red Cross demand to prove Shalit is alive