A CDU alliance with the Greens in NorthRhine-Westphalia could pave the way for something similar at federal level after the 2013 election.
基民盟与绿党在北莱茵-威斯特伐利亚州的结盟,将为2013年大选后两党在国家层面上的结盟铺平道路。
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The NorthRhine-Westphalia election will not settle the matter, but it will give Mrs Merkel's government its first firm indication of whether it is on the right track.