ADN by Don Hunter.  Two of the state's top politicians Tuesday said the state should finance an aggressive round of scientific research of Cook Inlet's beluga whales to counter a federal conclusion that the whales are endangered and need special habitat protections.  Congressman Don Young (NGP Photo-r) and Anchorage Mayor Dan Sullivan (NGP Photo-l), speaking at a joint news conference at City Hall, also said they are asking the government to extend for 60 days a comment period on designating critical habitat for the whales. The Anchorage Assembly earlier unanimously passed [...]