Show PLOT discovered IN DUBLIN london april 20 rumors of plots to burn down the buildings of the international ter national inhibition exhibition opening in dublin may ath which however are said to have been discovered in time to frustrate them are published in the afternoon papers here today the plots are attributed to the adya advanced poil political sections in ireland which admittedly are violently opposed to the international exhibition claiming that it would bo be unfair to introduce the display of the highly developed industries ot of other nations in competition with native products which are not so highly perfected |