WASHINGTON - The Senate defeated attempts Wednesday to make the immigration bill tougher on people who are in the U.S. unlawfully, including a Republican bid to bar illegal immigrants from getting green cards. Senators voted 56-41 to set aside the amendment by Sen. Kit Bond, R-Mo., which would have destroyed a central element of the bill granting millions of illegal immigrants an eventual path to citizenship. Earlier, the Senate killed, by a 53-45 vote, a proposal by Kay Bailey Hutchison, R-Texas, to require that all adult illegal immigrants go home within two years to get permanent lawful status. The current...