In 2002, Michael McDowell, then a member of the Progressive Democrats wanted to get his general election message across. He took to the streets of Ranelagh with a ladder some cable ties and his election poster. He mounted the ladder in front of invited media and unveiled his message. “One-party government?” the poster asked. “No thanks.” It was a superbly well-timed and well-executed piece of political theatre. The PDs doubled their Dáil seats from four to eight. The poster message was pithy and pointed. But without the TV, radio and print coverage it generated, it would have remained just what…