About 30 percent of conservative activists will stay home or vote for somebody else if Sen. John McCain of Arizona is the Republican presidential nominee, Republican pollster Tony Fabrizio said yesterday. The straw poll of activists at the 35th annual Conservative Political Action Conference showed resistance to Mr. McCain remains strong among conservatives and did not change much with former Massachusetts Gov. Mitt Romney's suspension of his campaign Thursday. Before Mr. Romney dropped out, 14 percent said they would not vote, 22 percent said they would vote for someone else and 62 percent said they would back Mr. McCain. After...