NEW : Sen. John McCain says general must have time to bring stability to Iraq . McCain argues his bill would have a smaller impact on retention rates than the legislation that the Senate passed . McCain says GI Bill sponsored by Democrats would hurt military . Score: 6 , Sen. Barack Obama sparring over expanded veterans ' education benefits . President Bush will attend a fundraiser for McCain in Arizona .
NEW : Sen. John McCain says general must have time to bring stability to Iraq . McCain says GI Bill sponsored by Democrats would hurt military . Score: 6 , Sen. Barack Obama sparring over expanded veterans ' education benefits . President Bush will attend a fundraiser for McCain in Arizona .