"A call for action can now be heard coming from all across America," Obama said, speaking to an estimated 2,000 people inside the gym at Del Sol High School. "Now is the time. Now is the time. Now is the time."President Obama laid out three principles for reform: smarter border enforcement, a pathway to "earned citizenship" and improvements to the legal immigration system to allow more university-educated immigrants to stay in the United States to contribute to the economy, for example.