The chief executives of some of the largest defense contractors said this week they are optimistic about the Pentagon budget request issued last week -- but cautioned the numbers are likely to change. Speaking at a virtual conference hosted by Bernstein, Roger Krone, the CEO of Leidos, said that if the proposed budget "comes into law, we're in really good shape." "We're happy with the messaging that the administration sent in this budget action, but we're also going to be...