For that to happen, it would require additional action by Congress.
Rubio is cutting the Democrats off in the pass with his bill, which is why Obama has done everything possible to derail it. He knows that if it passes, he would be forced to sign it into law, and it would take away the “children” card from the pro-amnesty folks (and they have no other cards to play).
That doesn't make me feel any better.
Legalizing them 'temporarily' will just guarantee that there will be no opposition to making them citizens when that time comes.
And once made citizens all the rest of the illegals in their families 30 years old and up are safe at home, as well.