SAN MARCOS ----- There's been a deluge of TV advertising, extensive newspaper and TV coverage and one candidate forum after the other. And yet, one can only wonder how many voters have had the time or energy to educate themselves on the qualifications, political beliefs and personalities of all of the 18 candidates in the running for the 50th District Congressional seat formerly held by disgraced Republican Randy "Duke" Cunningham. With less than three weeks until the April 11 special election to pick a temporary replacement for Cunningham, the latest opportunity for voters to get to know the candidates came...