Homeland Security officials and Republican lawmakers have begun downplaying the need for more bomb-detection technology, calling instead for expanded government monitoring and airline passenger profiling — including, as House Homeland Security Chairman Peter King, R-N.Y., now suggests, pulling those of Middle Eastern descent out of airport lines for additional questioning. These officials say last week’s foiled plot in London to take down U.S.-bound airliners revealed the limits of current airport screening technology because the suspects planned to use common household liquids that probably would have gone undetected. Full Story