Exclusive: U.S. prepares high-seas crackdown on North Korea sanctions evaders - sources Matt Spetalnick, Phil Stewart, David Brunnstrom WASHINGTON (Reuters) - The Trump administration and key Asian allies are preparing to expand interceptions of ships suspected of violating sanctions on North Korea, a plan that could include deploying U.S. Coast Guard forces to stop and search vessels in Asia-Pacific waters, senior U.S. officials said. Washington has been talking to regional partners, including Japan, South Korea, Australia and Singapore, about coordinating a stepped-up crackdown that would go further than ever before in an attempt to squeeze Pyongyang’s use of seagoing trade...