OMAHA — U.S. Rep. Don Bacon, R-Neb., with help from House Republican leadership and national GOP donors, set a financial marker this spring to tell potential challengers that the cost of running against the four-term incumbent is going up. U.S. Rep. Don Bacon, R-Neb.. (Courtesy of the House of Representatives) Bacon’s campaign raised $483,000 in the first quarter of 2023. His federal political committee to elect other conservatives transferred another $140,000 to him, for a total of $623,000. That’s the most money any 2nd District candidate has raised in the...