The revised children's health insurance bill that Congress is about to send to President Bush still has loopholes that both illegal aliens and ineligible legal immigrants could exploit to join the program, a new Heritage Foundation analysis shows.

Under the bill, those applying for the State Children's Health Insurance Program would not have to prove citizenship. Instead, they only would have to provide a valid Social Security number — something most legal immigrants and many illegal aliens already have, said Robert Rector, a senior research fellow at the conservative Heritage Foundation, whose analysis is being released today...