%0 Journal Article %T Equivalence Principles, Lense-Thirring Effects, and Solar-System Tests of Cosmological Models %A Wei-Tou Ni %J Physics %D 2012 %I arXiv %X In this talk, we review the empirical status for modern gravitational theories with emphases on (i) Equivalence Principles; (ii) Lense-Thirring effects and the implications of Gravity Probe B experiment; (iii) Solar-System Tests of Cosmological Models. %U http://arxiv.org/abs/1204.1859v1