Count Rush Limbaugh among the voters confused by Palm Beach County’s touch-screen machines. On his syndicated talk show this afternoon, Limbaugh said he was trying to vote in today’s primary when the screen seemed to freeze or “stick” on the list of presidential candidates. “I hit ‘Next’ and it didn’t go there,” said Limbaugh, who lives in Palm Beach and often recounts the county’s electoral foibles on his show. Then he hit the “Back” button and “got my candidate page again with the vote already recorded there. So I said ‘hmmmmm, I wonder if this is going to count twice.”...