Eric Swalwell’s brother revealed that the sexual assault claims surrounding the disgraced ex-congressman has shattered the family. “It’s just awful. The family is devastated,” Joshua Swalwell told The Post, adding “this whole thing is horrible no matter how you look at it all around.” The 44-year-old, who lives in Florida and work in the fitness industry, said he recently spoke to his brother “very briefly” but hasn’t had a lengthy conversation with him. Joshua, one of Eric’s three younger