Immigration reform is heading to the Senate floor a week from today.

Now where are those votes?

An immigration bill will need 60 senators to clear any attempt by Republicans to filibuster the legislation.

When you add up the Democrats and Independents, that gives you 53 likely yes votes. There's one seat currently open after the the death of New Jersey Senator Frank Lautenberg, a Democrat.

Add the four Republicans who are already backing the legislation, and you have 57.

That means the bill only needs a handful of GOP votes to clear a filibuster.

Sen. Charles Schumer (D-N.Y.), part of the group that crafted the legislation, wants even more. He thinks the bill should pass with as many as 70 votes, to show that it has strong Republican support as it heads to the House.

Here are a few of the Republicans who might vote for immigration reform, based on background from groups in favor of the bill:

http://abcnews.go.com/ABC_Univision/...?id=19314412#6

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