The accused Marathon bombers wore expensive clothes and drove brand-new Porsches, Range Rovers and Mercedes — and were in a rush for their car the day after the bombing, , says a Cambridge auto body shop owner. Gilbert Junior, owner of the Cambridge -based Junior Auto Body, said he saw one of the accused bombers Tuesday morning and “knew something was wrong right away.” “He was nervous, and biting his nails, and he wanted his girlfriend’s car right away even though I hadn’t fixed it yet,” he said. Junior said the two were from Russia and used to live in...