President Barack Obama participates in a welcoming ceremony for military members . The ceremony takes on greater impact as a debate begins about immigration reform . Thousands of immigrant workers are flooding into the U.S. from Central America . Trains with immigrants bound for detention centers have been met by angry protestors .
President Barack Obama participates in a naturalization ceremony for military members . The ceremony takes on greater impact as a debate rages about immigration reform . Thousands of immigrant children are flooding into the U.S. from Central America . Buses with immigrants bound for detention centers have been met by angry protestors .