Alva Review-Courier -

TOPEKA, Kan. (AP) — Retiring Kansas Sen. Pat Roberts declared his support Tuesday for Rep. Roger Marshall as his replacement, the latest signal that the Republican establishment is determined to push Marshall past polarizing conservative Kris Kobach in the GOP primary.

Roberts' endorsement came in a string of tweets two weeks before the Aug. 4 primary. The four-term senator praised Marshall without mentioning Kobach, the former Kansas secretary of state who lost the 2018 governor's race to Democrat Laura Kelly.

Roberts, the chairman of the Senate Agriculture Committee, touted Marshall's servic...