News at Seven-Thirty highlights: Chan Ka-keung appeared in first hearing of Legco subcommittee investigating the minibonds fiasco; PCCW sacked at least 80 permanent staff; number of bankruptcy petitions filed in January jumped by 37 percent year-on-year; Hillary warned North Korea to stop threatening the South; Obama courted warmer relations with Canada; Allen Stanford being tracked down in Virginia; public consultation on post-service employment for former directorate-grade civil servants launched; calls for plan to boost visitor arrivals from Guangdong Province; stock broker sentenced to 5 years and 10 months in jail; new interactive exhibition about Time in Science Museum.