Another city-block sized asteroid will pass within about 650,000 miles of the Earth on Saturday, discovered just last weekend. Czech Republic officials are baffled as to the source of a number of high-profile cyberattacks swamping official Czech government websites this week. Catholic cardinals will convene a papal conclave to select the next leader of the church beginning on Tuesday. The US jobless rate dropped to 7.7% as 236,000 more jobs were added in February, but January's figures were revised downward. The 9th Circuit Court of Appeals issued a major decision on Friday that says the government must have "reasonable suspicion" to search a computer or laptop at the US border.