DAYTON, Ohio—Barack Obama is considering skipping the presidential primary debate scheduled for later this month in Ohio to instead spend time talking to voters, a newspaper reported last night. The U.S. senator from Illinois faces U.S. Sen. Hillary Rodham Clinton of New York in the March 4 primaries in Ohio, Texas, Rhode Island and Vermont. CNN announced last week that it would partner with the Democratic party in Ohio to bring a debate to the perennial battleground state on Feb. 27. "Sen. Obama has debated Sen. Clinton 18 times during this campaign — including four times in the last month,"...