U.S. Sen. Ted Cruz (R-Texas) today reintroduced his proposed constitutional amendment that would ensure only nine justices could serve on the U.S. Supreme Court at a time. The amendment is co-sponsored by Sens. Roger Marshall (R-Kan.), Bill Hagerty (R-Tenn.), Mike Lee (R-Utah), Tom Cotton (R-Ark.), Chuck Grassley (R-Iowa), Josh Hawley(R-Mo.), Thom Tillis (R-N.C.), John Kennedy