Tens of thousands evacuated as rain covers Philippine capital
                                
                                
                                    (Newser) -
                                    Relentless rains submerged half of the sprawling Philippine capital, triggered a landslide that killed eight people, and sent emergency crews scrambling today to rescue and evacuate tens of thousands of residents. The deluge, the worst  since 2009 when hundreds died  in rampaging flash floods, was set off by the seasonal...