Leaking Enbridge oil pipeline near Chicago back up and running , company says . Congress holds hearings after recent incidents -- including billion - dollar Michigan oil spill . and it 's not good . '' Hearing witness : ` ` My grand - old asks me frequently , ' am I going to get cancer ? ' '' The president ` ` deeply concerned '' by the Michigan incident .
Leaking Enbridge oil pipeline near Chicago back up and running , company says . Congress holds hearings after recent incidents -- including billion - dollar Michigan oil spill . Hearing witness : ` ` My grand - old asks me frequently , ' am I going to get cancer ? ' '' The president ` ` deeply concerned '' by the Michigan incident .