Marco's Constituent Mailbox: Immigration, Boston Attack & Internet Sales Tax

U.S. Senator Marco Rubio (R-FL) discusses the immigration bill, the Boston Marathon bombing, and his opposition to the Marketplace Fairness Act in this installment of Marco's Constituent Mailbox. Learn more: http://www.rubio.senate.gov/public/index.cfm/press-releases?ID=2f378c95-3939-4cae-ab1a-29750eb2f6ab