sentence1: US President Barack Obama has been sketching out the future direction of his administration, in events to mark his first 100 days in office. Mr Obama addressed a town hall meeting in St Louis before holding a primetime news conference, broadcast live on most US TV networks. Traditionally, commentators have used the milestone to assess presidents' early successes and failures. Latest polls suggest Mr Obama continues to enjoy a high level of popularity.
sentence2: Barack Obama has been President of the U.S. for 100 days.