In Clint Eastwood’s The Mule, The Man with No Name is faced with his biggest adversaries yet: Cartels, the DEA, and smartphones. A quite strange and mostly not very good version of what David Lowery and Robert Redford were doing in The Old Man And The Gun, Eastwood directs and stars as a 90 year-old horticulturist who has fallen on hard times and becomes a drugs mule for the local Cartel. Like Redford’s career criminal in Old Man, Mule is a possible swansong in which a screen icon plays a compulsive workaholic who has neglected his family. But Mule has a sourer…