In the end, a famous name, political pedigree and deep-pocketed donors were not enough to rescue the lackluster presidential campaign of Jeb Bush.
Republican presidential candidates Donald Trump and Jeb Bush engaged in an angry clash on Saturday over the Iraq war and the proper US role to take against Russia's involvement in Syria.
Republican contender Marco Rubio struggled at a presidential debate, potentially confounding his bid to emerge as Donald Trump's chief rival in New Hampshire and giving hope to three rivals desperate for a strong showing.
