Luke Messer has gotten a key endorsement in his run for US. Senate. Senator David Long, President Pro Tempore of the Indiana State Senate, is backing Messer saying, ” While the Republican Party is blessed to have a number of candidates interested in the seat, I believe Luke to be the absolute best person to effectively represent the interests of all Hoosiers in the US Senate. I am honored to endorse Luke Messer to be our next United States Senator from Indiana.”