Will this ever pass?

This legislation has been introduced in Congress session after session and has never passed, in spite of garnering more and more co-sponsors. Will it succeed this time around?

And if it does, will Bush sign the bill into law, or veto it?

Legislation was introduced in Congress Tuesday that would allow Americans in a same-sex relationship to sponsor their "permanent partners" for legal residency in the United States, a right currently afforded only to opposite-sex couples under immigration law.
[...]
"Our laws should work to keep loving families together and not tear them apart. This is a matter of basic fairness and compassion. I am proud to work with Senator Leahy on this issue. We simply ask that gay and lesbian Americans in loving, committed relationships receive the same treatment as everyone else," he said.

Leahy said that the legislation simply promotes that principle by providing all Americans the opportunity to be with their loved ones.

"Our immigration laws treat gays and lesbians in committed relationships as second-class citizens; this injustice needs to change," Leahy said.
[...]
Because the U.S. does not legally recognize same-sex couples and their children as families, many same-sex bi-national couples are torn apart when one partner lives in the United States.

The Uniting American Families Act would add the term "or permanent partner" to those sections of the Immigration and Naturalization Act that apply to legally married couples.

Seems quite fair to me, but there is strong opposition to the measure, as witnessed by the fact that in all these years it has never been able to become law.

The last paragraph of the article offered a bit of good news:

At least 16 countries currently allow residents to sponsor same-sex permanent partners for legal immigration, including Australia, Belgium, Brazil, Canada, Denmark, Finland, France, Germany, Iceland, Israel, the Netherlands, New Zealand, Norway, South Africa, Sweden and the United Kingdom.

That's quite the list there. I wonder where we would like to move to if I ever had to leave the US.