Worried that the tone of the immigration debate is pushing Latinos away from the Republican Party, the White House is working with political strategists to create a broad coalition of business groups and immigrant advocates to back a plan President Bush could promote in Congress and to minority voters in the 2006 elections. The strategists say Bush is planning to make immigration a top priority as soon as this fall, once the focus on a Supreme Court vacancy has passed. A guest-worker program is favored by many Latinos and by businesses, many of them major GOP donors that depend on...