Wags, you're a little short on your constitutional amendment history. Here is a list of the amendments including all those started in the last century and ratified, in some cases, within months.
http://www.usconstitution.net/constamnotes.html
But, back to the felony convictions for lying to investigators and lying to the police, under your and Turok's beliefs, one should be at risk of prosecution and serving jail time for the following:
1. You are not paying close attention to your speed and are doing 45 MPH in a 35 MPH zone. When you are pulled over and asked if you know how fast you were going you tell the cop you were only doing 35. But he has you clocked on his radar at 45. Should the cop a) arrest you on the spot for obstructing his investigation or, b) inform you that felony charges will soon be filed against you?
2. You had a beer at a friend's house on the way home from work. After leaving for home you are pulled over for not coming to a complete stop at a stop sign. The cop asks you if you have been drinking. You say, no, thinking you are so tired you might not pass a sobriety test or maybe his breathalyzer might mistakenly show you are over the legal limit and you really don't want to deal with this.
So the cop says I smell alcohol on you breath and he makes you take his breathalyzer test (which you submit to because you don't want your license taken for refusing). The test shows some alcohol in your system but well under the legal limit. Should the cop a) let you go, or b) arrest you for lying and obstructing justice, or c) inform you that felony charges will soon be filed against you?
Now, lets see how this could become a conspiracy charge and get both you and a friend in trouble.
Again, you are not paying close attention to your speed and are doing 45 MPH in a 35 MPH zone. You are again pulled over by a cop. While stopping, your friend, in the car with you, tells you not to admit how fast you were going but to say you thought you were going the speed limit. When cop asks you if you know how fast you were going you tell the cop you were only doing 35 but he has you clocked on his radar at 45 and tells you so. You say, well, my friend said I should say I was only going 35. Now, should the cop a) arrest both you and your friend on the spot for conspiring to obstruct his investigation or, b) inform both of you that felony charges will soon be filed against the two of you for conspiracy and obstruction of justice?
See where this is leading and how this "obstruction of justice for lying" can quickly become an abuse by the authorities? Especially since it is a felony. This law is very worrisome to many of us.