A look at the day ahead in European and global markets from Kevin Buckland You didn't think it would be that easy, did you? Investors are on edge after equities and the dollar got knocked back Friday, when Republican negotiators unexpectedly walked out of debt ceiling talks. Discussions now seem to be back on track, with President Joe Biden due to meet House Republican Speaker Kevin McCarthy later today. But the brinkmanship highlights that as long as there is no deal, the potential for a disastrous U.S. default is impossible to ignore. Time is running out, with less than two...