It's not exactly a good Friday for the Congress. In Mumbai, it's performance in the local elections has been below average. On the national landscape, it's run into a huge wall comprising of four chief ministers and its Frenemy No. 1, Mamata Banerjee. The fact that Ms Banerjee is fraternizing with allies of the BJP-led NDA is new stress test for Ms Banerjee and the Congress, who work together in the UPA coalition.