ANGELES (Reuters) - Karl Rove, U.S. President George W. Bush's senior political advisor, on Tuesday took the administration's message on immigration reform to Latino leaders, saying the country was approaching a "critical moment" in the debate. >br> Speaking at the annual convention of leading Latino civic group the National Council of La Raza, Rove said Bush would work with Republicans and Democrats in coming weeks to push through reform legislation that has bitterly divided Congress, the Republican Party and the nation. "We face a critical moment in our immigration debate, a moment when our nation will make an important decision...