Does Obama know how to pressure anyone other than Israel?

Jonathan Schanzer correctly points out that President Obama needs to pressure Turkish Prime Minister Recept Tayyip Erdogan to stop helping Iran beat the sanctions.

Turkey is believed to have emerged in recent years as one of the
primary patrons of the Palestinian terrorist group Hamas. In December
2011, Erdoğan reportedly
"instructed the Ministry of Finance to allocate $300 million to be