By CD Sami Saab of Publicis Graphics Beirut, for Aoun's party, the Free Patriotic Movement.
For non Arabic readers, here is a translation:
The scribbled message is a play on words, as an A (the Arabic 'A' letter as 'aleph' - in orange) was added to the second word (read from right), to remind people that a nation is a 'Union' not a 'Company' (as the word originally meant if the letter wasn't added).