>> reporter: jim acosta, cnn, washington. >> president obama is expected to shift focus from the health care rollout for immigration reform. he will call on congress to act and urging lawmakers to finish the work by the end of the year. work on measures to strengthen u.s. borders and provide a pathway to citizenship for many in the country illegal. john boehner expressed optimism by house action by year's end. the senate has passed the immigration reform bill and everybody waiting on the house to act. a report that claims the nsa tapped german chancellor angela merkel's cell phone. president obama assured merkel during a phone call on wednesday that the nsa is not listening in on her conversations. the german magazine reporting that merkel called obama to discuss these allegations which are based on disclosures from nsa leaker edward snowdeny. more from cnn's frederik