WICHITA, Kansas (AP) — A conservative firebrand promoting President Donald Trump's unsubstantiated claims of widespread voter fraud oversees a Kansas election system that threw out at least three times as many ballots as any similarly sized state did, fueling concerns about massive voter suppression should its practices become the national standard.

Only six states — all among the top 10 in population — discarded more votes during the 2016 election than the 33rd-largest state of Kansas, according to data collected by the bipartisan U.S. Election Assistance Commission, a federal agency that cer...