Will Hawaii become the 5th state to recognize civil unions?

Recent developments in Hawaii may lead to the state becoming the fifth to recognize same-sex civil unions.  (Massachusetts and Connecticut allow same-sex marriage; California recognizes domestic partnerships; Connecticut, New Jersey, New Hampshire, and Vermont permit civil unions).

Here are some details from Mark Niesse, Hawaii is latest civil unions battleground, AP.com, Feb. 22, 2009:

• Hawaii was the first state to enact a defense of marriage constitutional amendment.
• The Hawaii house has already passed a same-sex civil union bill.
• A Senate committee will vote on the bill tomorrow (February 24, 2009).
• Governor Linda Lingle has not indicated whether she would sign or veto the bill.