WASHINGTON, Jan. 14 (UPI) -- A dispute over the composition of Senate committees in the new Congress has boiled over into a full-blown battle, with the Senate's Republican leadership accusing Democrats of attempting a coup. Democrats are refusing to agree to a GOP proposal on the composition and funding of committees unless they get higher than typical representation. Normally, the majority party receives an average of two-thirds of the committee budget, while the minority receives the remainder. Because the Senate is in GOP hands, the Republicans had wanted the typical ratios for committees, but because the GOP advantage is only...