Republicans are disputing testimony from two veteran diplomats in the House impeachment probe. Today marked the first day of the public impeachment hearings, and California Republican Devin Nunes [[ NEW-nezz ]] alleged that Democrats used witnesses to create a narrative that supports impeachment. Deputy Assistant Secretary of State George Kent had said earlier on that it was obvious to him that Russia was responsible for interference with the 2016 election.    President Trump says the cease fire in Syria is holding as he meets with the Turkish president. Trump welcomed Recep Tayyip Erdogan [[ reh-JEHP teye-YIP ERR-doh-ahn ]] to the Oval Office. Trump said they will talk about today is expanding trade from 20-billion to 100-billion and discuss Turkey's purchase of Russia's S-400 missile system.    Attorney General Bill Barr is launching a new anti-gun violence initiative called "Project Guardian." Barr said the program will "resuscitate" and "double-down" on the principles that were successful from the past. Barr says "Project Guardian" will implement five basic elements, including a crackdown on federal gun laws and coordinated response to mental health situations.    Supreme Court Justice Ruth Bader Ginsburg is absent from arguments today after coming down with the stomach flu. Chief Justice John Roberts announced Ginsburg was "indisposed due to illness," but said Ginsburg would still participate based on recordings and written briefs. The 86-year-old justice has been facing a number of health concerns, including surgery to remove cancerous nodules from her lung.    A new report suggests vaping may be even worse for your heart than cigarettes. The report says vaping can raise certain cholesterol levels that may be bad for your heart. While both vapes and cigarettes dampen the heart's ability to pump blood during exercise there is a twist. The study showed that after the participants stopped exercising, the cigarette smokers' blood flow returned to normal, while the vape smokers' blood flow remained impacted.    There might be a "Friends" reunion in the works for HBO Max, AT&T's new streaming service set to debut next spring. The company paid 425-million-dollars for the rights to the hit 90s sitcom. Now there are reports that the company is in negotiations with the cast for an unscripted special.