On the cover: Immunofluorescence confocal image of CCR7 staining in the thymus of a tyrosinase-related protein 1 (TRP1)-deficient Tyrp1^B-w RAG1^−/− TRP1-specific TCR transgenic mouse reveals accentuation of CCR7 staining (red) in the medulla. Nuclei are stained with DAPI (blue). Rausch, M. P., L. R. Meador, T. C. Metzger, H. Li, S. Qiu, M. S. Anderson, and K. T. Hastings. 2020. GILT in thymic epithelial cells facilitates central CD4 T cell tolerance to a tissue-restricted, melanoma-associated self-antigen. J. Immunol. 204: 2877–2886.