By Margery A. Beck OMAHA, Neb. (AP) — Dozens of Native American radio stations across the country vital to tribal communities will be at risk of going off the air if Congress cuts more than $1 billion from the Corporation for Public Broadcasting, according to industry leaders. The U.S. Senate is set to vote this week on whether to approve the Department of Government Efficiency’s plan to rescind previously approved public broadcasting funding for 2026 and 2027. Fear is growing that most of the 59 tribal radio stations that receive the funding will go dark, depriving isolated populations of news, local events and critical weather alerts. The House already approved the cuts last month. “For Indian Country in general, 80% of the communities are rural, and their only access to…