Tea party protesters jeer Marco Rubio, CBO By: Jose DelReal June 19, 2013 01:03 PM EDT A large gathering of tea party supporters met outside of Capitol on Wednesday to express their frustrations over immigration legislation moving forward in Congress — including boos for Sen. Marco Rubio (R-Fla.) and other lawmakers working on the bill. “Marco Rubio has not read his own bill!” said Robert Rector, a senior researcher for the Heritage Foundation. “This bill is at its core amnesty,” Rep. Steve King (R-Iowa), who organized the event, told the sympathetic crowd. “We’re here to today… to take this debate...