All employees involved in local programming at the Santa Monica sports talk station (AM 1540) got the axe, including general manager Roger Nadel. Future programming will come from the national Sporting News Radio network. Now as it happens, network shows hosted by Tony Bruno and Mark Willard, Dave Smith, Arnie Spanier and David Stein originate at the Santa Monica studios so their people will stick around. Coverage in the Times, Sports by Brooks.