By Michael Martinez, Kevin Conlon and Miguel Marquez
A sea of blue flooded the streets around a Queens church Saturday morning -- thousands of police waiting to pay respects for one of two New York officers who lost their lives in the line of duty last weekend.
Seven men have been arrested in connection with alleged threats made toward police officers since Saturday afternoon, when two NYPD officers were shot in the head from behind while sitting in their patrol car, New York City police said.
The way we send stuff into space hasn't changed much in the past 50 years: Multi-stage rockets spend their fuel and dump their lower sections as garbage.
That's too wasteful for Elon Musk and his SpaceX company.