Voters in Germany go to polls this weekend ; campaign dominated by economic issues . The election is the first since Chancellor Angela Merkel took office and her Christian Democratic Union (CDU) party has been hit hard by a series of scandals over its handling of asylum seekers. Debate takes the form of a series of 15 second Instagram videos . CNN 's Peter Bale says project could offer glimpse of political discussions of the future .
Voters in Germany go to polls this weekend ; campaign dominated by economic issues . CNN 's 15 Second Debates have challenged candidates to answer tough questions . Debate takes the form of a series of 15 second Instagram videos . CNN 's Peter Bale says project could offer glimpse of political discussions of the future .