Oh really?   well here ya go pal....here are at least 20 that I can think of right off the bat:

Obamacare lies- you can keep your doctor, $2,500 less per person...
Stealing of over $300BILLION from the GSE's to pay for it...
Spying on journalists...
Wiretapping the election and Trump, and his staff...
Eric Holder held in contempt of Congress...
Operation Fast & Furious- 62,000 dead because of it, including our own...
The great "stimulis heist"...letting Wall St get off scott-free!...
The IRS scandal...
Benghazi...
Fake BC
Hillary Clinton secret server that got hacked by the Russians...
The Pigford scandal...
NSA spying scandal...
His totally fraudulent birth certificate and life story...
Bowe Bergdahl....
Iran nuclear deal and payments in the hundreds of $Billions...
Arming ISIS and the Taliban with $Billions in weapons....
The GSA scandal...
The VA death list scandal....
Solyndra...
Letting the top Taliban generals go...
Open borders...

Your turn.  Tell us again how great he was.