A landmark compromise on the thorny issue of immigration came under scrutiny in Congress Friday as some Republicans slammed the plan as a blanket amnesty and some Democrats argued it did not go far enough. "The agreement as it stands is hopeless. It is a framework that still has to be fleshed out," said Vanessa Cardenas of the Center for American Progress, after US lawmakers late Thursday struck a deal with the White House on sweeping immigration reform that could allow 12 million illegal immigrants to legalize their status. The pact, announced by a group of Democratic and Republican senators,...