Contra Costa Times: A few years ago, Ben Santer, a climate scientist with Lawrence Livermore Laboratory, answered a 10 p.m. doorbell ring at his home. After opening the door, he found a dead rat on his doorstep and a man in yellow Hummer speeding away while “shouting curses at me.” Santer shared this story last week before a congressional committee examining the increasing harassment of climate scientists, and the state of climate science. After the online posting in November of 1,073 stolen …