two questions, following up on francesca's question about amazon, the report this morning said that the president is obsessed with amazon and its ceo jeff bezos. have you ever heard the president talk about amazon and are they currently competing in a level playing field right now? >> i heard the president talk about making business practices level across the board in this country. i know it's something he wants to see happen. beyond that i don't have anything for you. richard? >> thank you, sarah. two questions on immigration. is the president concerned that immigration policies, kept away from the u.s., high-tech workers, special workers that instead would go to canada, for instance. >> i'm not sure i'm following you. >> is there concern with -- immigration policies have kept away from the u.s.i specialized