Not really.  

"He also said he believes his court-appointed lawyers are partly responsible for causing delays."

The Right to a Speedy Trial only applies when the government is not ready to go to trial in a reasonable time (generally 180 days).

Motions for Continuance by the Defense, are standard tactics, and do not apply.  Defense Lawyers long ago realised that it is in their (client's) best interest to delay things as long as possible.  Wtinesses forget things, and even die.  It is not unusual for trials to drag on for this long before actually being tried.