More than 1,700 illegal immigrants have been caught attempting to pass fake documents at state driver's licenses offices in the first month after a tough immigration law went into effect, according to a state official. "We're seeing evidence of individuals trying to slip through the cracks," said Michael Cooke, executive director of the Colorado Department of Revenue. Colorado's new anti-illegal immigration laws passed by the legislature this summer set up a strict identification check meant to deny most public services to undocumented adult immigrants. As residents come into DMV offices to get state ID cards or driver's licenses, they're asked...