crash - how do we restore?

--- Minecraft Crash Report ----
// Oops.

Time: 7/8/13 7:04 PM
Description: Initializing game

org.lwjgl.LWJGLException: Could not create pixel format
	at org.lwjgl.opengl.MacOSXPeerInfo.nChoosePixelFormat(Native Method)
	at org.lwjgl.opengl.MacOSXPeerInfo.choosePixelFormat(MacOSXPeerInfo.java:58)
	at org.lwjgl.opengl.MacOSXPeerInfo.<init>(MacOSXPeerInfo.java:53)
	at org.lwjgl.opengl.MacOSXCanvasPeerInfo.<init>(MacOSXCanvasPeerInfo.java:57)
	at org.lwjgl.opengl.MacOSXDisplayPeerInfo.<init>(MacOSXDisplayPeerInfo.java:48)
	at org.lwjgl.opengl.MacOSXDisplay.createPeerInfo(MacOSXDisplay.java:304)
	at org.lwjgl.opengl.DrawableGL.setPixelFormat(DrawableGL.java:61)
	at org.lwjgl.opengl.Display.create(Display.java:846)
	at org.lwjgl.opengl.Display.create(Display.java:757)
	at org.lwjgl.opengl.Display.create(Display.java:739)
	at ats.O(SourceFile:297)
	at ats.d(SourceFile:599)
	at net.minecraft.client.main.Main.main(SourceFile:101)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Stacktrace:
	at org.lwjgl.opengl.MacOSXPeerInfo.nChoosePixelFormat(Native Method)
	at org.lwjgl.opengl.MacOSXPeerInfo.choosePixelFormat(MacOSXPeerInfo.java:58)
	at org.lwjgl.opengl.MacOSXPeerInfo.<init>(MacOSXPeerInfo.java:53)
	at org.lwjgl.opengl.MacOSXCanvasPeerInfo.<init>(MacOSXCanvasPeerInfo.java:57)
	at org.lwjgl.opengl.MacOSXDisplayPeerInfo.<init>(MacOSXDisplayPeerInfo.java:48)
	at org.lwjgl.opengl.MacOSXDisplay.createPeerInfo(MacOSXDisplay.java:304)
	at org.lwjgl.opengl.DrawableGL.setPixelFormat(DrawableGL.java:61)
	at org.lwjgl.opengl.Display.create(Display.java:846)
	at org.lwjgl.opengl.Display.create(Display.java:757)
	at org.lwjgl.opengl.Display.create(Display.java:739)
	at ats.O(SourceFile:297)

-- Initialization --
Details:
Stacktrace:
	at ats.d(SourceFile:599)
	at net.minecraft.client.main.Main.main(SourceFile:101)

-- System Details --
Details:
	Minecraft Version: 1.6.2
	Operating System: Mac OS X (x86_64) version 10.7.5
	Java Version: 1.6.0_45, Apple Inc.
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Apple Inc.
	Memory: 68289368 bytes (65 MB) / 85000192 bytes (81 MB) up to 1065025536 bytes (1015 MB)
	JVM Flags: 1 total; -Xmx1G
	AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	Suspicious classes: No suspicious classes found.
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Launched Version: 1.6.2
	LWJGL: 2.9.0
	OpenGL: ~~ERROR~~ RuntimeException: No OpenGL context found in the current thread.
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Pack: Default
	Current Language: ~~ERROR~~ NullPointerException: null
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: ~~ERROR~~ NullPointerException: null