Accused of instigating violent protests, Venezuela's jailed opposition leader sends a handwritten note from behind bars.<br/> <br />Leopoldo Lopez is urging continued demonstrations against President Nicolas Maduro. But peaceful ones.<br/> <br />At least 6 people have died in recent days. And authorities say some 100 civilians have been injured.<br/> <br />Both sides are blaming each other.<br/> <br />President Maduro is now blaming "right-wing extremists."<br/> <br />(SOUNDBITE) (Spanish) PRESIDENT NICOLAS MADURO SAYING:<br/> <br />"Venezuela is the victim of attack by a group of right-wing extremists who want to destabilize the country, to lead us into a civil war, to topple the legitimate government, and to destroy the Bolivarian revolution with the support from factions in the United States."<br/> <br />Troops guard the streets of San Cristobal, Tachira - recently described as a "war zone."<br/> <br />The Interior Ministry said a battalion of paratroopers was being sent to the state to help bring calm. Something the mayo
