Beto O’Rourke ready to ‘push the button’ on presidential campaign, source says

El Paso, Texas (CNN)Former US Rep. Beto O’Rourke is ready to “push the button” to launch his presidential campaign, with the announcement expected to first come on social media, a source familiar with his plans told CNN. O’Rourke is in his hometown of El Paso, Texas, this week ahead of his Iowa trip. On Monday, in a short video recorded outside his house, he wore a University of Northern Iowa cap as he urged students at the school to vote in the Democratic candidate in the state Senate special election. A photographer was seen leaving O’Rourke’s house late Tuesday morning, and a close team of aides who worked on his 2018 Senate had gathered in town. Signs that an announcement …