Tonight’s Big Picture Rumble discusses America’s poorly funded infrastructure following Philadelphia’s deadly Amtrak crash, Ohio Republicans co-sponsoring a bill that would impose a tax on polls affecting poor communities, Jeb Bush backtracking on the Iraq question and top Democratic Senator blasting Obama’s TPP secrecy. Also tonight, Thom discusses the growing number of African-Americans being killed by police nationwide. Then Thom explains why the South Pole’s largest ice shelves are thinning from above and below. Plus, in tonight’s Daily Take Thom talks about the urgent need to once again invest in America’s infrastructure.