By Paresh Dave SAN FRANCISCO (Reuters) -The man charged with breaking into U.S. House Speaker Nancy Pelosi’s San Francisco home and clubbing her husband in the head with a hammer pleaded not guilty to attempted murder and other charges and was ordered to remain jailed without bond. Making his first court appearance since Friday’s attack, David Wayne DePape, 42, was formally presented with state charges of attempted murder, assault with a deadly weapon, burglary, elder abuse, false imprisonment and threatening a public official. DePape, who was represented in court by a public defender, pleaded…