MINNEAPOLIS—Former Vice President Walter F. Mondale, a liberal icon who lost the most lopsided presidential election after bluntly telling voters to expect a tax increase if he won, died Monday. He was 93. The death of the former senator, ambassador and Minnesota attorney general was announced in a statement from his family. No cause was cited. Mondale followed the trail blazed by his political mentor, Hubert H. Humphrey, from Minnesota politics to the U.S. Senate and the vice presidency, serving under Jimmy Carter from 1977 to 1981. His own try for the White House, in 1984, came at the zenith of Ronald Reagan’s popularity. Mondale’s selection of Rep. Geraldine Ferraro of New York as his running mate made him the first major-party presidential nominee to put a woman on the ticket, but his declaration that he would raise taxes helped define the race. On Election Day, he carried only his …