[Nation] Deputy President William Ruto yesterday took the 'hustler nation' campaigns to Machakos County where he criticised those seeking tribal alliances in an apparent attack on rivals trying to forge a broad-based coalition.The DP said the era of politicians uniting to form tribal political outfits was long gone.Speaking at AIC Bomani in Machakos Town where he attended Sunday service, the DP said such formations will not solve Kenyans' problems.