The Politico is reporting that Sen. Tom Harkin of Iowa is working hard to win Sen. Specter of Pennsylvania back to the pro-union side of EFCA. Harkin is not providing specifics, but he did reveal that his staff has been working with Specter’s to reach some sort of compromise. Specter reiterates that he is opposed to card check and binding arbitration, but believes that “labor law reform is past overdue.”