WASHINGTON, Oct. 4 -- Sen. Markwayne Mullin, R-Oklahoma, issued the following news release: Today, U.S. Senators Markwayne Mullin (R-OK) and Catherine Cortez Masto (D-NV) introduced bipartisan legislation to make it easier for the Indian Health Services (IHS) to recruit and retain physicians. IHS has a 25 percent vacancy rate for health care providers, and this legislation would help attract new doctors to the agency that serves over two million American Indian and Alaskan Native Tribal members  more