this is what the industry was based on until the 1930's and 1940's, when overharvesting and pollutionked the population back. >> you can learn that and more on our 2014 cities to her, -- tour, sponsored by the local content vehicles of c-span. if you want more information, go .o www.c-span.org joining us now is lisa curtis with the heritage foundation. ,he is a senior research fellow good morning. caller: good morning. highlighted in the papers about the presidential election in afghanistan. the headline this morning is there is in on it being delayed. for those who may not be following, talk about the election and the problems we are staying with them. guest: we're at a critical point in afghanistan. after a relatively successful first round of elections in april, now we face a crisis situation where the second round -- the candidates are not accepting the results. what happened in april, we had a relatively high turnout of the population for the vote. but no one candidate crossed the 50% mark. one of the candidates, dr. abdullah, got about 40% of the vote. another candidate got abou