text: import React, { PropTypes } from 'react';
  import { Tabs, Tab } from 'material-ui/Tabs';
  
  const DisplayHeaders = ({ toggleCategory }) => {
    return (
      <Tabs>
        <Tab
          className="all-btn"
          label="All"
          onClick={() => toggleCategory('All')}
        />
        <Tab
          className="pol-btn"
          label="Political"
          onClick={() => toggleCategory('Political')}
        />
        <Tab
          className="econ-btn"
          label="Economic"
          onClick={() => toggleCategory('Economic')}
        />
        <Tab
          className="soc-btn"
          label="Societal"
          onClick={() => toggleCategory('Societal')}
        />
        <Tab
          className="geo-btn"
          label="Geopolitical"
          onClick={() => toggleCategory('Geopolitical')}
        />
        
      </Tabs>
    );
  };
  
  DisplayHeaders.propTypes = {
    toggleCategory: React.PropTypes.func.isRequired,
  };
  
  
  module.exports = DisplayHeaders;
  