Senators Catherine Cortez Masto (D-Nev.) and Markwayne Mullin (R-Okla.) have introduced bipartisan legislation to bolster chronic staffing issues at the Indian Health Services (IHS). The legislation, …Senators Catherine Cortez Masto (D-Nev.) and Markwayne Mullin (R-Okla.) have introduced bipartisan legislation to bolster chronic staffing issues at the Indian Health Services (IHS). The legislation, …