Primary voters will make first decision A funny thing is happening on the way to the Republican primary June 4. Interestingly, U.S. Rep. Greg Ganske, a Des Moines physician, is squared off against little-known Bill Salier, a farmer near Mason City and former Marine, for the Republican nomination for U.S. Senate. Whoever wins the race will face incumbent Sen. Tom Harkin in November. When Ganske first announced, and for a long time after, he squared off as if he were running now against Harkin. But he's now begun paying attention to Salier. Considering that Ganske has tons of money for...