Democratic Rep. Alan Grayson is contemplating a Senate run Outspoken Democratic Rep. Alan Grayson represents a safe Orlando-area district, but it seems he has bigger things in mind. Scott Powers of the Orlando Sentinel reports that Grayson is talking about running for U.S. Senate, where Republican incumbent Marco Rubio looks likely to give up his seat in order to run for president. Grayson says he's waiting to see how the Democratic field develops and is in no hurry to make up his mind.