So even over the longer time period, Trump has spent far less than his opponents. With that out of the way... MSNBC reported Tuesday morning that aides to Donald Trump estimate that the real estate mogul has spent roughly $2 million on his 2016 presidential campaign to date.
Common Causes of Left Eye Twitching. 1  Fatigue: Insomnia can trigger left eye spasms. 2  Stress: A common sign of stress is left eye twitching. 3  Tense muscles can cause left eye jumping. 4  Caffeine and alcohol: Too much caffeine and/or alcohol can trigger left eye twitches.
3. Pressure Headache. In some cases pain behind your left eye can be due to a pressure headache and this is when you experience increased pressure in a specific area. The pressure in this area will surround the tissue as well as press on the nerve fibers and this combination leads to the activation of pain receptors.