Modernization of U.S. nuclear weapons and delivery systems is moving too slowly and the Pentagon has heard about it, Nebraska’s senior U.S. senator said here Tuesday at a think tank. "When we're in classified briefings and I hear from the military and the department, they give me dates on when things are going to be ready, and I always look at them and go, ‘that's too late,’” Sen. Deb Fischer (R-Neb.), ranking member of the Senate Armed Services strategic forces…
