Biden administration nominates National Cancer Institute chief Monica Bertagnolli to lead NIH

Bertagnolli, a Boston cancer surgeon, is the current director of the National Cancer Institute.
The NIH has been without a permanent director for over 15 months.
Bertagnolli has impressed officials with her leadership and work ethic.
The next NIH director will face political challenges as well as concerns over the agency's model.
Bertagnolli's nomination signals the Biden administration's commitment to advancing biomedical research and innovation.