TV highlights: HBO's miniseries 'Show Me a Hero' ends

All times Eastern. In the midseason finale of "Hell on Wheels" (AMC at 9 p.m.), Durant and Cullen head to Salt Lake City to discuss the railroad's future with President Grant. When Walter squanders an important career opportunity, his staff scrambles to come up with a new plan on "Blunt Talk" (Starz at 9).