FILE – In this Feb. 6, 2015 file photo, Illinois state Sen. Darin LaHood, R-Dunlap, is seen at a Chamber of Commerce event in Peoria, Ill. LaHood, the son of former White House cabinet member and longtime Peoria U.S. Rep. Ray LaHood, remains the overwhelming favorite as the field takes shape for the race to replace ex-U.S. Rep. Aaron Schock. (Fred Zwicky/Journal Star via AP, File)