CNNAdvocate had 'no idea' Obama would name her during his speech on ...The Week MagazineCollege student Astrid Silva never thought that President Obama would share her story during his Thursday evening address on immigration reform. Astrid Silva: 'It changes everything.' Vegas has a new star. #immigration pic.twitter.com/17lujbHNza.Woman watches as Obama tells her story in speechCache Valley Dailyall 152 news articles »