Democratic party contenders spar over healthcare

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Another Democratic party debate for presidential hopefuls - this time in Texas - for the first time including all the main contenders. Russia conducts a number of raids at offices and homes of supporters to Alexei Navalny - a staunch critic of President Putin. And the heart-breaking decision of a Nigerian mother who had to make, as she fled from Boko Haram, the impossible decision of which child to leave behind.