TODAY: Putin and Merkel discuss Ukraine, with little effect; Merkel says planned Ukraine summit cannot go ahead until progress is made towards peace; Siluanov says Ukraine is late in paying off its $3 billion loan; Alexei Navalny planning to break house arrest again. Russia’s credit rating almost down to junk for the first time in a decade; exchange hubs not trading in rubles; Yevtushenko says no hard feelings.