claim: Musala is a high peak in the Balkan Peninsula.
evidence: Jeffrey `` Jeff '' P. Weaver -LRB- born 1966 -RRB- was the campaign manager for the 2016 campaign of US Senator Bernie Sanders for President of the United States .. Bernie Sanders. Bernie Sanders. campaign manager. campaign manager. 2016 campaign. Bernie Sanders presidential campaign. President. President of the United States. United States. United States. He formerly served as the campaign manager for Sanders ' 2006 United States Senate election and as chief of staff in Sanders ' House and Senate offices .. campaign manager. campaign manager. United States. United States. United States Senate election in Vermont, 2006. United States Senate. United States Senate. In August 2016 , Weaver was named president of Our Revolution , a political organization created by Sanders .. Our Revolution. Our Revolution