(AP file photo) This July 16, 1945, photo shows an aerial view after the first atomic explosion at Trinity Test Site, N.M. U.S. senators from New Mexico and Idaho are making another push to expand the federal government’s compensation program for people exposed to radiation following uranium mining and nuclear testing carried out during the Cold War. Downwinders who live near the site where the world’s first atomic bomb was tested in 1945 as part of the top secret Manhattan Project would be among those added to the list.