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Monica de Bolle, senior fellow at the Peterson Institute for International Economics, agrees that PDVSA is in a parlous state.
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With her hands steady at the controls, her voice calm as she spoke to mission control, Collins piloted the craft through a slow, graceful somersault. With the shuttle's underside now visible, the damage was quickly spotted - and a spacewalk was carried out to repair it.
US says it supports Pakistan's 'right to defend itself' against Afghan Taliban