The new GOP charm offensive also underscores the limitations of the president's previous strategy, which centered on using public pressure to win Republican cooperation, not negotiations with lawmakers.
Eric Prokopi, 38, said he would surrender the 70 million-year-old Tarbosaurus bataar skeleton, known as "Ty, " and give up any claims to six other dinosaurs and various other bones in a cooperation deal that might win him leniency from charges that carry a potential prison sentence of up to 17 years.