the decision to bar an opposition leader from running against president putin in march's election. he has been banned from running due to a fraud conviction his supporters believe was politically motivated. he is now calling for a boycott of the election. putin has an 80% approval rating back home and is expected to easily win a fourth term in office. president trump has argued that the u.s. needs to overhaul its immigration system. now, new data from the census bureau appears to support that. national correspondent william la jeunesse has the details from los angeles. >> for decades now u.s. immigration rules have been based on an outdated system. >> a system the president wants to overhaul next year. a new report prepared by the conservative leaning center for immigration studies based on census data promises to help shape that debate. >> everybody wants to come to the united states and quite frankly the united states can be choosey about who it admits.